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Long-Term Debt - Additional Information (Detail) |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
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Mar. 19, 2025 | Sep. 15, 2023 | Jul. 01, 2023 | Jul. 30, 2021 USD ($) | Feb. 10, 2021 | Mar. 19, 2020 USD ($) | Dec. 12, 2019 USD ($) | Aug. 16, 2018 USD ($) | Aug. 31, 2023 USD ($) | Jul. 30, 2021 USD ($) | May 31, 2021 USD ($) | May 31, 2020 USD ($) | Aug. 31, 2018 USD ($) | Mar. 31, 2018 USD ($) $ / shares | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) | Sep. 30, 2021 | Dec. 31, 2023 USD ($) Days $ / shares | Dec. 31, 2022 USD ($) Days $ / shares | Dec. 31, 2021 USD ($) | Mar. 31, 2022 USD ($) | Jan. 01, 2022 USD ($) | Jun. 30, 2020 USD ($) | Sep. 30, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,581,100,000 |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,000,000) | $ (12,800,000) | $ 24,600,000 |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,562,400,000 | 2,692,000,000 |  |  |  |  |
Accumulated deficit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,062,300,000) | (1,204,500,000) |  |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 883,700,000 | 971,300,000 |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 165,900,000 | 139,300,000 | 153,100,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,100,000 | 6,300,000 | 6,000,000 |  |  |  |
Paid-in-capital in excess of par value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 233,900,000 | 188,700,000 |  |  |  |  |
Letters of credit issued but undrawn |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130,400,000 |  |  |  |  |  |
2.625% Convertible Senior Notes Due 2024 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 550,000,000 |  |  |  |  |  |  |  | 197,000,000 | 262,500,000 |  |  |  |  |
Reduction to long term debt representing carrying value of convertible debt |  |  |  |  |  |  |  |  | $ 65,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 286,000,000 |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  |  | 65,500,000 |  |  |  |  | 550,000,000 |  |  |  |  |  |  |  |  | 277,500,000 |  |  |  |  |
Debt instrument , Purchase Price |  |  |  |  |  |  |  |  | 65,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 274,900,000 |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  |  |  |  |  | (1,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  | (12,800,000) |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 410,100,000 |  |  |  |  |  |  |  |  |  |  |  | $ 59,100,000 |  |
Additional Paid in Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 136,700,000 |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,200,000 | 16,300,000 | 39,800,000 |  |  |  |
Non-cash interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 23,700,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 | 2,100,000 | 1,600,000 |  |  |  |
Convertible notes, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.625% |  |  |  |  |  |  |  | 2.625% |  |  |  |  |  |
Convertible notes maturity |  |  |  |  |  |  |  |  |  |  |  |  |  | Mar. 15, 2024 |  |  |  |  |  |  |  | Mar. 15, 2024 |  |  |  |  |  |
Principal amount of convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |
Convertible notes conversion rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.0056 |  |  |  |  |  |  |  | 160,467.0000 |  |  |  |  |  |
Convertible notes conversion price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 62.48 |  |  |  |  |  |  |  | $ 62.32 |  |  |  |  |  |
Paid-in-capital in excess of par value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 139,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective interest rate on convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.40% |  |  |  |  |  |  |  |  |  |  |  | 3.10% |  |
Accrued interest |  |  |  |  |  |  |  |  | $ 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |
Repurchase of convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 287,500,000 |  |  |  |  |
Convertible notes, conversion feature |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Holders of the 2024 Convertible Notes may convert their notes at their option under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending June 30, 2018, if the last reported sale price of the Company’s common shares for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter exceeds 130% of the conversion price for the 2024 Convertible Notes on each applicable trading day; (ii) during the five business-day period immediately after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of 2024 Convertible Notes for each trading day of that measurement period was less than 98% of the product of the last reported sale price of the Company’s common shares and the conversion rate for the 2024 Convertible Notes for each such day; (iii) if the Company calls the 2024 Convertible Notes for redemption; or (iv) upon the occurrence of specified corporate events. On and after December 15, 2023, holders may convert their 2024 Convertible Notes at any time, regardless of the foregoing circumstances. In December 2021, the Company made an irrevocable election under the indenture governing the 2024 Convertible Notes to require the principal portion of the 2024 Convertible Notes to be settled in cash and any excess in shares or cash. |  |  |  |  |  |
Convertible notes, number of trading days of threshold limit (whether or not consecutive) | Days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |
Convertible notes, number of trading days of threshold limit in consecutive days | Days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |  |
Minimum percentage of common share price over conversion price for conversion |  |  |  |  |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum percentage of the product of common share price and conversion rate for convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs recorded as additional paid-in-capital in excess of par value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt discount and debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 | 1,300,000 |  |  |  |  |
Convertible senior notes, carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 196,800,000 | 261,200,000 |  |  |  |  |
Fair value of notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 196,200,000 | 243,300,000 |  |  |  |  |
2.625% Convertible Senior Notes Due 2024 [Member] | Debt Issuance Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.250% Convertible Senior Notes Due 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 277,500,000 | 277,500,000 |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,500,000 |  |  |  |  |
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |
Convertible debt underwriters over allotment option fully exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,500,000 |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,200,000 | 800,000 |  |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 | 100,000 |  |  |  |  |
Additional principal amount of convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 27,500,000 |  |  |  |  |
Convertible notes, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% | 4.25% |  |  |  |  |
Convertible notes maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jun. 15, 2028 | Jun. 15, 2028 |  |  |  |  |
Principal amount of convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |  |  |  |  |
Convertible notes conversion rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58.8998 |  |  |  |  |
Convertible notes conversion price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16.98 |  |  |  |  |
Effective interest rate on convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.90% |  |  |  |  |
Fair value of liability to convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 320,900,000 | $ 305,400,000 |  |  |  |  |
Convertible notes, conversion feature |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Holders of the 2028 Convertible Notes may convert their notes at their option under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending March 31, 2023, if the last reported sale price of the Company’s common shares for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter exceeds 130% of the conversion price for the 2028 Convertible Notes on each applicable trading day; (ii) during the five business-day period immediately after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of 2028 Convertible Notes for each trading day of that measurement period was less than 98% of the product of the last reported sale price of the Company’s common shares and the conversion rate for the 2028 Convertible Notes for each such day; (iii) if the Company calls the 2028 Convertible Notes for redemption; or (iv) upon the occurrence of specified corporate events. On and after March 15, 2028, holders may convert their 2028 Convertible Notes at any time, regardless of the foregoing circumstances. |  |  |  |  |
Convertible notes, number of trading days of threshold limit (whether or not consecutive) | Days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |
Convertible notes, number of trading days of threshold limit in consecutive days | Days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |
Minimum percentage of common share price over conversion price for conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |
Minimum percentage of the product of common share price and conversion rate for convertible notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |
Unamortized debt discount and debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,000,000 | $ 8,400,000 |  |  |  |  |
Convertible senior notes, carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 270,500,000 | 269,100,000 |  |  |  |  |
7.875% Senior Notes Due 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000,000 | 600,000,000 |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000 | 4,400,000 |  |  |  | $ 7,900,000 |
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  |  |  |  |  | $ 600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48,800,000 | 48,700,000 | 48,600,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 | 1,400,000 | 1,300,000 |  |  |  |
Convertible notes, interest rate |  |  |  |  |  |  |  |  |  |  |  | 7.875% |  |  |  |  |  |  |  |  |  | 7.875% |  |  |  |  |  |
Convertible notes maturity |  |  |  |  |  |  |  |  |  |  |  | Sep. 01, 2025 |  |  |  |  |  |  |  |  |  | Jan. 09, 2025 |  |  |  |  |  |
Carrying amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 597,100,000 | 595,600,000 |  |  |  |  |
7.875% Senior Notes Due 2025 [Member] | Debt Issuance Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,900,000 |
7.875% Senior Notes Due 2025 [Member] | Level 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 596,800,000 | 534,400,000 |  |  |  |  |
7.250% Senior Notes Due 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,400,000
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  |  |  |  | $ 600,000,000 |  | $ 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, amount borrowed |  |  |  |  |  |  |  |  |  |  | 428,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,600,000 |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,500,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |
Convertible notes, interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 7.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes maturity |  |  |  |  |  |  |  |  |  |  |  |  | Aug. 15, 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest |  |  |  |  |  |  |  |  |  |  | 7,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceed to redeem senior notes |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
7.250% Senior Notes Due 2026 [Member] | Debt Issuance Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,400,000
4.875% Senior Notes Due 2029 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000,000 |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,700,000 |  | $ 7,700,000 |  |  | 6,400,000 |  |  |  |  |
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  |  |  |  | $ 600,000,000 |  |  |  |  |  |  |  |  |  |  | 600,000,000 |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,100,000 | 30,100,000 | 18,400,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 | 800,000 | 500,000 |  |  |  |
Convertible notes, interest rate |  |  |  |  |  |  |  |  |  |  | 4.875% |  |  |  |  |  |  |  |  |  |  | 4.875% |  |  |  |  |  |
Convertible notes maturity |  |  |  |  |  |  |  |  |  |  | Jun. 01, 2029 |  |  |  |  |  |  |  |  |  |  | Jan. 06, 2029 |  |  |  |  |  |
Unamortized debt discount and debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,500,000 |  |  |  |  |  |
Senior notes, redemption price, percentage |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes, redemption price percentage with equity offerings |  |  |  |  |  |  |  |  |  |  | 104.875% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 594,500,000 | 593,600,000 |  |  |  |  |
Fair value of notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 471,600,000 | 412,500,000 |  |  |  |  |
4.875% Senior Notes Due 2029 [Member] | Debt Issuance Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,700,000 |  | $ 7,700,000 |  |  |  |  |  |  |  |
4.875% Senior Notes Due 2029 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of aggregate principal amount of senior notes being redeemed |  |  |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eurodollar [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base rate interest rate floor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |
SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base rate interest rate floor |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 630,000,000 |  |  |  |
Credit facility, amount repaid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 259,000,000 | 654,000,000 | 480,000,000 |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000,000 |  |  |  |  |
2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 0.03% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Term Loan B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, amount repaid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000,000 |  |  |  |
2017 Credit Facility [Member] | 2017 Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of prior senior secured credit facility |  |  |  |  |  |  |  | $ 1,178,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  |  |  | 1,250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment Fee Percentage |  |  |  |  |  |  |  |  |  | 0.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  |  | $ 1,200,000 | 11,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,100,000 |  |  |
Credit facility, amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 199,000,000 | 564,000,000 | 671,200,000 |  |  |  |
Credit facility, amount repaid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 288,000,000 | $ 683,000,000 | 561,300,000 |  |  |  |
Long-term debt, weighted average interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.62% | 4.08% |  |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 886,700,000 | $ 975,700,000 |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 73,600,000 | 45,000,000 | 33,900,000 |  |  |  |
Non-cash interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 | 400,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,300,000 | 1,900,000 | $ 2,300,000 |  |  |  |
2018 Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |
2018 Credit Facility [Member] | 2024 Convertible Notes Exceeds 350 Million [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  | $ 350,000,000 |  | 350,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2024 Convertible Notes Less Than 350 Million [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 350,000,000 |  |  |  |  |  |
2018 Credit Facility [Member] | Second Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Modification Costs |  |  |  | $ 1,400,000 |  | 1,600,000 |  |  |  | $ 1,400,000 |  |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  | 800,000 |  |  |  |  |
Credit facility amendment date |  |  |  |  |  | Mar. 19, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized in interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 | $ 600,000 |  | $ 500,000 |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base rate interest rate floor |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |
2018 Credit Facility [Member] | Federal Funds Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |  |  |  |  |
2018 Credit Facility [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |
2018 Credit Facility [Member] | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | 60,000,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  | 0.25% | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  | 0.35% | 0.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Second Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  | $ 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Second Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 282,500,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Fourth Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  | $ 282,500,000 |  |  |  |  |  | 282,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Fourth Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  | $ 330,000,000 |  |  |  |  |  | 330,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Second Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Second Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Second Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of one month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.11% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 236,100,000 | 257,600,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Level 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 235,500,000 | 257,000,000 |  |  |  |  |
Debt instrument, fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 236,100,000 | 250,000,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2024 Convertible Notes Exceeds 350 Million [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maturity date |  | Sep. 15, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extended maturity date | Mar. 19, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  | $ 234,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Second Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 264,800,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Fourth Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  | $ 245,000,000 |  |  |  |  |  | $ 245,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Fourth Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 286,200,000 |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Eurodollar [Member] | Second Amendment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | Base Rate [Member] | Second Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | SOFR | Second Amendment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 2.50% |  | 3.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.75% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Eurodollar [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  | 1.50% |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.75% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan A [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maturity date |  |  |  |  |  |  |  | Aug. 18, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured credit facility, discount percentage |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured credit facility, discount amount |  |  |  |  |  |  |  | $ 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings under the senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 650,600,000 | 658,100,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Level 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 648,200,000 | 654,300,000 |  |  |  |  |
Debt instrument, fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 650,600,000 | $ 638,800,000 |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2024 Convertible Notes Exceeds 350 Million [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maturity date |  |  |  |  |  |  |  | Dec. 15, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment of term loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 66,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Eurodollar [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  | 2.75% |  | 2.75% | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Eurodollar [Member] | Third Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  | 1.75% |  | 1.75% | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | Base Rate [Member] | Third Amendment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of three month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.26% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term Sofr interest periods of six month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.43% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 Credit Facility [Member] | 2018 Term Loan B [Member] | 2018 Revolving Credit Facility [Member] | Adjusted term SOFR interest periods of twelve month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate spread on variable rate |  |  | 0.72% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible senior notes issued |  |  |  |  |  |  |  | $ 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ASU 2020-06 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 77,600,000 |  |

X
- Definition Additional paid-in capital common stock deferred finance costs. + References No definition available. + Details
Name: | hlf_AdditionalPaidInCapitalCommonStockDeferredFinanceCosts
Namespace Prefix: | hlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Base rate interest rate floor. + References No definition available. + Details
Name: | hlf_BaseRateInterestRateFloor
Namespace Prefix: | hlf_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Convertible debt underwriters over allotment option. + References No definition available. + Details
Name: | hlf_ConvertibleDebtUnderwritersOverAllotmentOption
Namespace Prefix: | hlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Additional aggregate principal related to option granted to initial purchasers of convertible senior notes. + References No definition available. + Details
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