Debt - Additional Information (Detail) shares in Millions, $ in Millions | Dec. 17, 2020USD ($)d$ / shares | Jun. 14, 2019USD ($)d$ / shares | Mar. 31, 2022USD ($)$ / sharesshares | Dec. 31, 2021USD ($) | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021shares |
Line Of Credit Facility [Line Items] | | | | | | | |
Aggregate principal amount | | | $ 1,564.5 | $ 1,564.5 | | | |
Debt instrument carrying amount of equity component conversion option | | | | $ 278.6 | | | |
Anti-dilutive securities underlying conversion option | shares | | | 237.8 | | | | 110.8 |
Bank of America, N.A. [Member] | Credit Agreement [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Credit facility expiration period | | | 3 years | | | | |
Initial aggregate principal borrowing capacity amount | | | $ 425 | | | | |
Debt instrument interest rate, description | | | Under the 2020 Credit Agreement, at the Company’s option, revolving loans accrue interest at a per annum rate based on either (i) the base rate plus a margin ranging from 0.50% to 1.00%, determined based on the Company’s consolidated leverage ratio for the four most recent fiscal quarters (the “Consolidated Leverage Ratio”) or (ii) the LIBOR rate (for interest periods of one, two, three or six months) plus a margin ranging from 1.50% to 2.00%, determined based on the Company’s Consolidated Leverage Ratio. The base rate is defined as the highest of (i) the federal funds rate, plus 0.50%, (ii) Bank of America, N.A.’s prime rate and (iii) the LIBOR rate for a one-month interest period plus 1.00%. | | | | |
Debt instrument commitment fee, description | | | The Company is also obligated to pay an ongoing commitment fee on undrawn amounts at a rate ranging from 0.25% to 0.35%, determined based on the Company’s Consolidated Leverage Ratio. | | | | |
Line of credit facility amount outstanding | | | $ 0 | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | Minimum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Payment for commitment fee, percentage | | | 0.25% | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | Maximum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Payment for commitment fee, percentage | | | 0.35% | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | Base Rate [Member] | Minimum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | | 0.50% | 0.50% | 0.50% | 0.50% |
Bank of America, N.A. [Member] | Credit Agreement [Member] | Base Rate [Member] | Maximum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | | 1.00% | 1.00% | 1.00% | 1.00% |
Bank of America, N.A. [Member] | Credit Agreement [Member] | LIBOR Rate [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | 1.00% | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | LIBOR Rate [Member] | Minimum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | 1.50% | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | LIBOR Rate [Member] | Maximum [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | 2.00% | | | | |
Bank of America, N.A. [Member] | Credit Agreement [Member] | Federal Funds Rate [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument interest rate | | | 0.50% | | | | |
Adoption of ASU 2020-06 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Change in accounting principle, accounting standards update, adopted | | | true | | | | |
Change in accounting principle, accounting standards update, adoption date | | | Jan. 1, 2022 | | | | |
Common Class A [Member] | Convertible Senior Notes And Capped Call Transactions [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Anti-dilutive securities underlying conversion option | shares | | | 83.1 | | | | |
Common Class A [Member] | Convertible Senior Notes Due 2026 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Anti-dilutive securities underlying conversion option | shares | | | 66.9 | | | | |
Convertible Senior Notes Due 2026 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Aggregate principal amount | $ 874.5 | | $ 874.5 | $ 874.5 | | | |
Debt instrument, interest rate | 0.00% | | | | | | |
Additional aggregate principal amount | $ 112.5 | | | | | | |
Proceeds from the issuance of notes | $ 856.8 | | | | | | |
Debt instrument maturity date | Dec. 15, 2026 | | | | | | |
Debt instrument payment terms | | | The 2026 Notes and 2024 Notes mature on December 15, 2026 and June 1, 2024, respectively, unless earlier converted, redeemed or repurchased in accordance with their terms respectively prior to the maturity date. The 2026 Notes do not bear regular interest, and the principal amount does not accrete, while interest is payable semiannually on the 2024 Notes in arrears on June 1 and December 1 of each year. | | | | |
Debt repurchase price percentage | 100.00% | | | | | | |
Debt instrument initial carrying amount | $ 707.4 | | | | | | |
Interest rate used to calculate the present value of the cash flows | 3.50% | | | | | | |
Debt instrument carrying amount of equity component conversion option | $ 167.1 | | | 163.7 | | | |
Contractual term | 6 years | | | | | | |
Transaction costs attributable to the liability component | $ 14.3 | | | | | | |
Transaction costs attributable to the equity component | $ 3.4 | | | | | | |
Convertible Senior Notes Due 2026 [Member] | Capped Call Transactions [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Initial strike price | $ / shares | | | 13.07 | | | | |
Initial cap price | $ / shares | | | 17.42 | | | | |
Cost incurred for Capped Calls | | | $ 63 | | | | |
Convertible Senior Notes Due 2026 [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument estimated fair value | | | $ 891.3 | | | | |
Convertible Senior Notes Due 2026 [Member] | Common Class A [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Initial conversion rate of common stock per $1,000 principal amount | 76.5404 | | | | | | |
Initial conversion price per share of common stock | $ / shares | $ 13.07 | | | | | | |
Debt instrument threshold trading days to trigger conversion feature | d | 20 | | | | | | |
Debt instrument threshold consecutive trading days to trigger conversion feature | d | 30 | | | | | | |
Debt instrument, minimum percentage of common stock price to determine eligibility of conversion | 130.00% | | | | | | |
Consecutive business trading period when trading price meets required criteria as a condition for conversion of debt | 5 days | | | | | | |
Trading price percentage of product of last reported sales price as a condition for conversion of debt | 98.00% | | | | | | |
Debt instrument redemption start date | Dec. 20, 2023 | | | | | | |
Debt instrument redemption price percentage | 100.00% | | | | | | |
Convertible Senior Notes Due 2026 [Member] | Common Class A [Member] | Capped Call Transactions [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Capped calls economic dilutive potential common stock shares | shares | | | 66.9 | | | | |
Convertible Senior Notes Due 2024 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Aggregate principal amount | | $ 690 | $ 690 | 690 | | | |
Debt instrument, interest rate | | 0.25% | | | | | |
Additional aggregate principal amount | | $ 90 | | | | | |
Proceeds from the issuance of notes | | $ 672.2 | | | | | |
Debt instrument maturity date | | Jun. 1, 2024 | | | | | |
Debt instrument payment terms | | | The 2026 Notes and 2024 Notes mature on December 15, 2026 and June 1, 2024, respectively, unless earlier converted, redeemed or repurchased in accordance with their terms respectively prior to the maturity date. The 2026 Notes do not bear regular interest, and the principal amount does not accrete, while interest is payable semiannually on the 2024 Notes in arrears on June 1 and December 1 of each year. | | | | |
Debt repurchase price percentage | | 100.00% | | | | | |
Debt instrument initial carrying amount | | $ 572 | | | | | |
Interest rate used to calculate the present value of the cash flows | | 4.10% | | | | | |
Debt instrument carrying amount of equity component conversion option | | $ 118 | | $ 114.9 | | | |
Contractual term | | 5 years | | | | | |
Transaction costs attributable to the liability component | | $ 14.8 | | | | | |
Transaction costs attributable to the equity component | | $ 3.1 | | | | | |
Convertible Senior Notes Due 2024 [Member] | Capped Call Transactions [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Initial strike price | $ / shares | | | 8.31 | | | | |
Initial cap price | $ / shares | | | 12.54 | | | | |
Cost incurred for Capped Calls | | | $ 73.8 | | | | |
Convertible Senior Notes Due 2024 [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Debt instrument estimated fair value | | | $ 841.1 | | | | |
Convertible Senior Notes Due 2024 [Member] | Common Class A [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Initial conversion rate of common stock per $1,000 principal amount | | 120.3695 | | | | | |
Initial conversion price per share of common stock | $ / shares | | $ 8.31 | | | | | |
Debt instrument threshold trading days to trigger conversion feature | d | | 20 | | | | | |
Debt instrument threshold consecutive trading days to trigger conversion feature | d | | 30 | | | | | |
Debt instrument, minimum percentage of common stock price to determine eligibility of conversion | | 130.00% | | | | | |
Consecutive business trading period when trading price meets required criteria as a condition for conversion of debt | | 5 days | | | | | |
Trading price percentage of product of last reported sales price as a condition for conversion of debt | | 98.00% | | | | | |
Debt instrument redemption start date | | Jun. 5, 2022 | | | | | |
Debt instrument redemption price percentage | | 100.00% | | | | | |
Convertible Senior Notes Due 2024 [Member] | Common Class A [Member] | Capped Call Transactions [Member] | | | | | | | |
Line Of Credit Facility [Line Items] | | | | | | | |
Capped calls economic dilutive potential common stock shares | shares | | | 83.1 | | | | |