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LONG-TERM DEBT - Additional Information (Detail) $ / shares in Units, $ in Millions |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 01, 2023 USD ($) | Aug. 21, 2020 USD ($) Tradingday $ / shares | Apr. 20, 2020 USD ($) | May 26, 2023 USD ($) | Jun. 15, 2021 USD ($) | May 21, 2021 USD ($) | Mar. 16, 2021 USD ($) | Dec. 31, 2023 USD ($) Tradingday Agreement $ / shares | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) Tradingday
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 4.50% | 4.50% |  |
Legal and other fees |  |  |  |  |  |  |  | $ 0.5 |  |  |
Average interest rate on outstanding borrowings |  |  |  |  |  |  |  | 7.10% |  |  |
Multiple Consolidated Interest Expense Under Subcondition Two Of Condition Two Under Dividend Restriction |  |  |  |  |  |  |  | 0.0175 |  |  |
Loss accumulated on swaps prior to the amendments |  |  |  |  |  |  |  | $ 5.1 |  |  |
Amortization of accumulated losses for amended swap agreements |  |  |  |  |  |  |  | (6.4) | $ 4.5 | $ 4.5 |
Loss on debt extinguishment and refinancing |  |  |  |  |  |  |  | (10.7) | 0.0 | (6.5) |
Loans Amount |  |  |  |  |  |  |  |  |  | 35.8 | $ 35.8
Restricted payments available amount |  |  |  |  |  |  |  | 599.1 |  |  |
CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  | 10.6 | 28.1 | 10.3 |
Payment of debt issuance costs |  |  |  |  |  |  |  | $ 7.5 | 0.0 | 17.3 |
Total Leverage Ratio, Percentage |  |  |  |  |  |  |  | 0.25% |  |  |
Debt instrument, maturity date |  |  |  |  |  |  |  | May 24, 2030 |  |  |
Proceeds, Net From Long Term Borrowing |  |  |  |  |  |  |  | $ 632.7 |  |  |
Fair value of long-term debt |  |  |  |  |  |  |  | 1,903.8 | 1,771.3 |  |
Debt issuance costs |  |  |  |  |  |  |  | 27.5 | 22.9 |  |
Loss on debt extinguishment and refinancing |  |  |  |  |  |  |  | $ 10.7 | $ 0.0 | $ 6.5 |
Interest Rate Swap |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Interest Rate Swap Agreements Amended | Agreement |  |  |  |  |  |  |  | 3 |  |  |
Interest Rate Swap Agreements Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maturity Date |  |  |  |  |  |  |  | Dec. 31, 2026 |  |  |
Derivative, Notional Amount |  |  |  |  |  |  |  | $ 175.0 |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Total Leverage Ratio |  |  |  |  |  |  |  | 1.00% |  |  |
Net Total Leverage Ratio Minimum |  |  |  |  |  |  |  | 1.00% |  |  |
Net Total Leverage Ratio Maximum |  |  |  |  |  |  |  | 1.00% |  |  |
Minimum | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of variable margin rate added to Eurodollar rate |  |  |  |  |  |  |  | 0.20% |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Total Leverage Ratio |  |  |  |  |  |  |  | 2.75% |  |  |
Net Total Leverage Ratio Minimum |  |  |  |  |  |  |  | 2.75% |  |  |
Net Total Leverage Ratio Maximum |  |  |  |  |  |  |  | 5.00% |  |  |
Maximum | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of variable margin rate added to Eurodollar rate |  |  |  |  |  |  |  | 0.375% |  |  |
Senior Secured Credit Facility | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  | $ 775.0 |  |  |  |  |  |  |
Amended Senior Secured Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior secured leverage ratio required |  |  |  |  |  |  |  | 1.00% |  |  |
Amended Senior Secured Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior secured leverage ratio required |  |  |  |  |  |  |  | 3.50% |  |  |
4.50 % Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  | $ 460.0 |  |  |  |  |  |  |  |  |
Interest rate |  | 4.50% |  |  |  |  |  |  | 4.50% | 4.50% |
Debt instrument, maturity date |  | Aug. 15, 2025 |  |  |  |  |  |  |  |  |
Conversion price per share, percentage |  | 130.00% |  |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  | $ 14.35 |  |  |  |  |  | $ 14.35 |  |  |
Trading price per principal amount of notes |  | $ 1,000.0 |  |  |  |  |  |  |  |  |
Percentage of product of last reported sale price of common stock and conversion rate |  | 98.00% |  |  |  |  |  |  |  |  |
Debt conversion, description |  |  |  |  |  |  |  | (1) during the five business day period after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of Holdings’ common stock and the conversion rate on each such trading day; (2) if Holdings distributes to all or substantially all stockholders (i) rights options or warrants entitling them to purchase shares at a discount to the recent average trading price of Holdings’ common stock (including due to a stockholder rights plan) or (ii) Holdings’ assets or securities or rights, options or warrants to purchase the same with a per share value exceeding 10% of the trading price of Holdings’ stock, (3) upon the occurrence of specified corporate events as described further in the indenture, or (4) during any calendar quarter commencing after the calendar quarter ending on September 30, 2020 (and only during such calendar quarter), if the last reported sale price of Holdings’ common stock for at least 20 trading days during the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to $18.66 per share (130% of the initial conversion price of $14.35 per share), on each applicable trading day. Beginning May 15, 2025, holders may convert their 4.50% Convertible Senior Notes at any time prior to the close of business on the second scheduled trading day immediately preceding the maturity date. Upon conversion of the 4.50% Convertible Senior Notes, Holdings will pay or deliver cash, shares of Holdings’ common stock or a combination of cash and shares of Holdings’ common stock, at Holdings’ election. |  |  |
Debt instrument, convertible, latest date |  |  |  |  |  |  |  | May 15, 2025 |  |  |
Debt instrument, convertible, threshold trading days | Tradingday |  | 20 |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | Tradingday |  |  |  |  |  |  |  |  |  |  | 30
Debt instrument, convertible, conversion ratio per 1000 principal amount |  | 69.6767 |  |  |  |  |  |  |  |  |
Total cost of the Hedge Transactions |  | $ 142.1 |  |  |  |  |  |  |  |  |
Warrants, per share | $ / shares |  | $ 22.08 |  |  |  |  |  |  |  |  |
Cash proceeds from the sale of the warrants |  | $ 89.4 |  |  |  |  |  |  |  |  |
4.50 % Convertible Senior Notes | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sale price per share | $ / shares |  | $ 18.66 |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold trading days | Tradingday |  |  |  |  |  |  |  | 20 |  |  |
4.50 % Convertible Senior Notes | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold trading days | Tradingday |  |  |  |  |  |  |  | 30 |  |  |
4.875 % Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  |  | $ 755.0 |  |  |  |  |  |
Interest rate |  |  |  |  | 4.875% |  |  |  |  |  |
Tender offer amount |  |  |  |  |  | $ 755.0 |  |  |  |  |
Remaining principal amount of optional redemption |  |  |  |  |  | $ 755.0 |  |  |  |  |
Outstanding principal at the redemption price percentage |  |  |  |  |  | 100.00% |  |  |  |  |
Loss on debt extinguishment and refinancing |  |  |  |  |  |  |  |  |  | $ (3.9) |
4.875 % Senior Notes | Unamortized Debt Issuance Costs |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  |  | 3.3 |
4.875 % Senior Notes | Payment of Fees |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  |  | 0.6 |
5.125% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Tender offer amount |  |  |  |  |  |  | $ 334.0 |  |  |  |
Remaining principal amount of optional redemption |  |  |  |  |  |  | $ 66.0 |  |  |  |
Outstanding principal at the redemption price percentage |  |  |  |  |  |  | 100.00% |  |  |  |
Loss on debt extinguishment and refinancing |  |  |  |  |  |  |  |  |  | (2.6) |
5.125% Senior Notes | Unamortized Debt Issuance Costs |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  |  | 1.2 |
5.125% Senior Notes | Payment of Fees |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  |  | $ 1.4 |
5.250% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  |  | $ 765.0 |  |  |  |  |  |
Interest rate |  |  |  | 5.25% | 5.25% |  |  |  |  |  |
Debt instrument, maturity date |  |  |  |  | Jul. 15, 2028 |  |  |  |  |  |
Debt Instrument Issue Discount |  |  |  |  | 101.00% |  |  |  |  |  |
Debt issuance costs |  |  |  |  | $ 10.7 |  |  |  |  |  |
5.875% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  |  |  |  | $ 405.0 |  |  |  |
Interest rate |  |  |  | 5.875% |  |  | 5.875% |  |  |  |
Disclosure of dividend restrictions associated with the debt agreement |  |  |  |  |  |  |  | $ 3,556.8 |  |  |
Debt instrument, maturity date |  |  |  |  |  |  | Mar. 15, 2026 |  |  |  |
Debt Instrument Issue Discount |  |  |  |  |  |  | 101.00% | 101.00% |  |  |
Debt issuance costs |  |  |  |  |  |  | $ 6.0 |  |  |  |
5.875% Senior Notes | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt covenants, required minimum coverage ratio |  |  |  |  |  |  |  | 1.00% |  |  |
Actual coverage ratio |  |  |  |  |  |  |  | 1.00% |  |  |
5.875% Senior Notes | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt covenants, required minimum coverage ratio |  |  |  |  |  |  |  | 2.00% |  |  |
Actual coverage ratio |  |  |  |  |  |  |  | 5.50% |  |  |
8.750 % Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes | $ 100.0 |  | $ 250.0 |  |  |  |  |  |  |  |
Interest rate | 8.75% |  | 8.75% | 8.75% |  |  |  |  |  |  |
Premium Paid on the Redemption of Bond |  |  |  |  |  |  |  | $ 2.2 |  |  |
Loss on extinguishment of debt | $ 3.4 |  |  |  |  |  |  |  |  |  |
Debt Instrument Accrued Interest |  |  |  |  |  |  |  | 106.6 |  |  |
Debt instrument, maturity date |  |  | May 01, 2025 |  |  |  |  |  |  |  |
Debt Instrument Issue Discount | 101.00% |  |  |  |  |  |  |  |  |  |
Remaining principal amount of optional redemption |  |  |  |  |  |  |  | 150.0 |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  | 1.2 |  |  |
8.750 % Senior Notes | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes | $ 100.0 |  |  |  |  |  |  |  |  |  |
Senior Secured Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 8.75% |  |  |  |  |  |
Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 4.50% |  |  |  |  |  |
Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fair value of long-term debt |  |  |  |  |  |  |  | $ 556.5 | $ 439.2 |  |
8.75 % Senior Notes Due June 1, 2024 | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Option rates | 100.00% |  |  |  |  |  |  |  |  |  |
International Segment |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 4.00% |  |  |
Repayments of principal loan amount |  |  |  |  |  |  |  | $ 4.1 | $ 21.5 |  |
Prior | 8.75 % Senior Notes Due June 1, 2024 | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Option rates | 102.188% |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit line, maturity date |  |  |  | May 26, 2028 |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Amended Senior Secured Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior secured leverage ratio required |  |  |  |  |  |  |  | 1.00% |  |  |
Revolving Credit Facility [Member] | Amended Senior Secured Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior secured leverage ratio required |  |  |  |  |  |  |  | 0.30% |  |  |
Term Loan Credit facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of variable margin rate added to Eurodollar rate |  |  |  |  |  |  |  | 2.75% |  |  |
Amount outstanding under the term loan |  |  |  |  |  |  |  | $ 645.1 |  |  |
Percentage of Variable Rate added to Secured Overnight Financing Rate |  |  |  |  |  |  |  | 0.50% |  |  |
Term Loan Credit facility | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized Debt Issuance Expense |  |  |  |  |  |  |  | $ 4.7 |  |  |
Lender Fees Paid on Debt Extinguishment |  |  |  |  |  |  |  | 2.1 |  |  |
Debt Issuance Costs Capitalized |  |  |  |  |  |  |  | 7.5 |  |  |
Original issue discount |  |  |  |  |  |  |  | 9.8 |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  | 628.3 |  |  |
Debt issuance costs |  |  |  |  |  |  |  | $ 10.1 |  |  |
Term Loan Credit facility | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Total Leverage Ratio |  |  |  |  |  |  |  | 1.00% |  |  |
Term Loan Credit facility | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Total Leverage Ratio |  |  |  |  |  |  |  | 2.13% |  |  |
Term Loan Credit facility | Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Quarterly principal payments due |  |  |  |  |  |  |  | $ 1.6 |  |  |
Debt instrument description of interest |  |  |  |  |  |  |  | SOFR for a period of 1, 3, or 6 months (depending upon the Interest Period (as defined in the Credit Agreement) chosen by CUSA) (the "Term SOFR Rate"), subject to a floor of 0.50% per annum, plus an applicable margin of 3.75% per annum |  |  |
Term Loan Credit facility | Senior Secured Credit Facility | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  | $ 650.0 |  |  |  |  |  |  |
Final principal payment due date |  |  |  | May 24, 2030 |  |  |  |  |  |  |
Last quarterly payment date |  |  |  | Dec. 31, 2030 |  |  |  |  |  |  |
Term Loan Credit facility | Amended Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of variable margin rate added to Eurodollar rate |  |  |  |  |  |  |  | 3.75% |  |  |
Percentage of Variable Rate added to Federal Reserve Bank Effective Rate |  |  |  |  |  |  |  | 1.00% |  |  |
Percentage of Variable Rate added to Alternate Base Rate |  |  |  |  |  |  |  | 1.00% |  |  |
Term Loan Credit facility | 5.250% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 5.25% |  |  |  |  |  |  |
Revolving Credit Line |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of Variable Rate added to Alternate Base Rate |  |  |  |  |  |  |  | 1.00% |  |  |
Revolving Credit Line | Senior Secured Credit Facility | CUSA [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of add-on to Senior Notes |  |  |  | $ 125.0 |  |  |  |  |  |  |
Revolving Credit Line | Amended Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of variable margin rate added to Eurodollar rate |  |  |  |  |  |  |  | 3.25% |  |  |
Percentage of Variable Rate added to Alternate Base Rate |  |  |  |  |  |  |  | 1.50% |  |  |
Amount outstanding under the revolving credit line |  |  |  |  |  |  |  | $ 0.0 |  |  |
Revolving Credit Line | Amended Senior Secured Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of Variable Rate added to Secured Overnight Financing Rate |  |  |  |  |  |  |  | 3.00% |  |  |
Percentage of Variable Rate added to Alternate Base Rate |  |  |  |  |  |  |  | 2.00% |  |  |
Revolving Credit Line | Amended Senior Secured Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of Variable Rate added to Secured Overnight Financing Rate |  |  |  |  |  |  |  | 3.50% |  |  |
Percentage of Variable Rate added to Alternate Base Rate |  |  |  |  |  |  |  | 2.50% |  |  |

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