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Debt - Narrative (Details) | 1 Months Ended | 12 Months Ended |
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Oct. 31, 2021 USD ($) | May 31, 2020 USD ($) $ / shares shares | Nov. 30, 2018 USD ($) d $ / shares shares | Dec. 31, 2022 USD ($) trading_day d shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | Jun. 30, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of convertible notes |  | $ 282,600,000 |  | $ 0 | $ 0 | [1] | $ 282,600,000 | [1] |
Repurchase and conversions of notes (in shares) | shares |  | 7,812,268 |  | 400,000 | 800,000 |  |  |  |
Proceeds from issuance of convertible notes, net of issuance costs |  |  |  | $ 0 | $ 0 | [1] | $ 1,188,800,000 | [1] |
Benefit of note hedge upon conversions of 2023 Notes (in shares) | shares |  |  |  | 300,000 | 1,000,000.0 |  |  |  |
Shares received from Note Hedge | shares |  |  |  | 287,492 |  |  |  |  |
Term of debt instrument |  |  |  | 12 months | 12 months |  |  |  |
Deposit assets |  |  |  | $ 10,700,000 |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Term of debt instrument |  |  |  |  | 18 months |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total principal amount |  |  |  | 1,982,300,000 | $ 1,999,800,000 |  |  |  |
Senior Notes | Convertible Notes due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total principal amount |  |  | $ 850,000,000 | 774,800,000 | 792,300,000 |  |  |  |
Principal amount exercised |  |  |  | $ 17,500,000 | $ 57,700,000 |  |  |  |
Interest rate on convertible notes (as a percent) |  |  | 0.75% |  |  |  |  |  |
Proceeds from issuance of convertible notes, net of issuance costs |  |  | $ 836,600,000 |  |  |  |  |  |
Conversion ratio |  |  | 0.0243476 |  |  |  |  |  |
Conversion price of convertible notes (usd per share) | $ / shares |  |  | $ 41.07 |  |  |  |  |  |
Shares received from Note Hedge | shares |  |  |  |  | 967,380 |  |  |  |
Holder's repurchase price percentage in event of fundamental change (as a percent) |  |  |  | 100.00% |  |  |  |  |
Number of trading days | d |  |  | 60 |  |  |  |  |  |
Proportion of conversion price (as a percent) |  |  |  | 130.00% |  |  |  |  |
Redemption price (as a percent) |  |  |  | 100.00% |  |  |  |  |
Stock counterparties to acquire with warrants purchased (in shares) | shares |  |  | 20,700,000 |  |  |  |  |  |
Proceeds from sale of warrants |  |  | $ 183,800,000 |  |  |  |  |  |
Exercise price of warrants or rights (usd per share) | $ / shares |  |  | $ 49.60 |  |  |  |  |  |
Senior Notes | Convertible Notes due 2022 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total principal amount |  | $ 260,000,000 |  |  |  |  |  |  | $ 400,000,000
Principal amount exercised |  |  |  | $ 140,000,000 |  |  |  |  |
Interest rate on convertible notes (as a percent) |  |  |  |  |  |  |  |  | 0.75%
Senior Notes | Convertible Notes due 2025 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total principal amount |  | $ 1,210,000,000 |  | $ 1,207,500,000 | $ 1,207,500,000 |  |  |  |
Interest rate on convertible notes (as a percent) |  | 0.25% |  |  |  |  |  |  |
Proceeds from issuance of convertible notes, net of issuance costs |  | $ 1,190,000,000 |  |  |  |  |  |  |
Conversion ratio |  | 0.006662 |  |  |  |  |  |  |
Conversion price of convertible notes (usd per share) | $ / shares |  | $ 150.11 |  |  |  |  |  |  |
Holder's repurchase price percentage in event of fundamental change (as a percent) |  |  |  | 100.00% |  |  |  |  |
Proportion of conversion price (as a percent) |  |  |  | 130.00% |  |  |  |  |
Redemption price (as a percent) |  |  |  | 100.00% |  |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Term of debt instrument | 5 years |  |  |  |  |  |  |  |
Maximum borrowing capacity of revolving credit agreement |  |  |  | $ 200,000,000 |  |  |  |  |
Option to increase revolving line of credit | $ 500,000,000 |  |  |  |  |  |  |  |
Line of Credit | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Unused capacity fee (as a percent) |  |  |  | 0.175% |  |  |  |  |
Line of Credit | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Unused capacity fee (as a percent) |  |  |  | 0.25% |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Repurchase and conversions of notes (in shares) | shares |  |  |  | 400,000 | 1,400,000 |  | 13,500,000 |  |
Benefit of note hedge upon conversions of 2023 Notes (in shares) | shares |  |  |  | 300,000 | 1,000,000.0 |  |  |  |
Common Stock | Senior Notes | Convertible Notes due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Repurchase and conversions of notes (in shares) | shares |  |  |  | 425,552 | 1,403,112 |  |  |  |
Treasury stock reissued (in shares) | shares |  |  |  |  | 794,588 |  |  |  |
Common Stock | Senior Notes | Convertible Notes due 2022 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Repurchase and conversions of notes (in shares) | shares |  |  |  | 5,649,988 |  |  |  |  |
Debt Instrument Conversion Term One | Senior Notes | Convertible Notes due 2023 | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | d |  |  |  | 20 |  |  |  |  |
Proportion of applicable conversion price (as a percent) |  |  |  | 130.00% |  |  |  |  |
Debt Instrument Conversion Term One | Senior Notes | Convertible Notes due 2023 | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | d |  |  |  | 30 |  |  |  |  |
Debt Instrument Conversion Term One | Senior Notes | Convertible Notes due 2025 | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  | 20 |  |  |  |  |
Proportion of applicable conversion price (as a percent) |  |  |  | 130.00% |  |  |  |  |
Debt Instrument Conversion Term One | Senior Notes | Convertible Notes due 2025 | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  | 30 |  |  |  |  |
Debt Instrument Conversion Term Two | Senior Notes | Convertible Notes due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | d |  |  |  | 5 |  |  |  |  |
Debt Instrument Conversion Term Two | Senior Notes | Convertible Notes due 2023 | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | d |  |  |  | 5 |  |  |  |  |
Proportion of applicable conversion price (as a percent) |  |  |  | 98.00% |  |  |  |  |
Debt Instrument Conversion Term Two | Senior Notes | Convertible Notes due 2025 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  | 5 |  |  |  |  |
Debt Instrument Conversion Term Two | Senior Notes | Convertible Notes due 2025 | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  | 5 |  |  |  |  |
Proportion of applicable conversion price (as a percent) |  |  |  | 98.00% |  |  |  |  |
Designated as Hedging Instrument | Senior Notes | Convertible Notes due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Stock issued upon conversion of senior notes (in shares) | shares |  |  | 20,700,000 |  |  |  |  |  |
Equity component of 2025 Notes issuance, net of issuance costs |  |  | $ 218,900,000 |  |  |  |  |  |
Base Rate | Line of Credit | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 0.375% |  |  |  |  |
Base Rate | Line of Credit | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 1.00% |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 1.00% |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Line of Credit | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 1.375% |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Line of Credit | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 2.00% |  |  |  |  |
Simple Risk Free Rate (RFR) | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 0.0326% |  |  |  |  |
Simple Risk Free Rate (RFR) | Line of Credit | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 1.375% |  |  |  |  |
Simple Risk Free Rate (RFR) | Line of Credit | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 2.00% |  |  |  |  |
Federal Reserve Bank Of New York Rate (NYFRB) | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  | 0.50% |  |  |  |  |
[1] | * We adjusted our 2021 and 2020 amounts to reflect the simplified convertible instruments accounting guidance, which we adopted on a full retrospective basis. Refer to Note 1, “Organization and Significant Accounting Policies,” to the consolidated financial statements for further information.

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