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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Debt - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended
Debt - Additional Information (Detail) - USD ($)	Feb. 28, 2025	Mar. 31, 2021	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Sep. 30, 2024	Feb. 29, 2024
Debt Instrument [Line Items]
Accrued interest and fees			$ 5,400,000		$ 8,600,000
Fair value of our indebtedness					$ 1,200,000,000	$ 1,190,000,000
Loss on debt extinguishment			0	$ 4,300,000
Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Trading price per principal amount of notes			1,000
Capped Calls [Member]
Debt Instrument [Line Items]
Capped call initial strike price		$ 132.2
Capped call initial cap price		$ 179.26
Derivative, premium paid		$ 45,000,000.0
Reduction to additional paid-in capital		33,000,000
Net of deferred tax impact		12,000,000.0
Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount		$ 575,000,000.0	$ 575,000,000
Debt instrument maturity date			Mar. 15, 2026
Debt instrument percentage of aggregate principal amount		0.25%
Debt instrument additional aggregate principal amount		$ 75,000,000.0
Debt instrument interest rate stated percentage		0.25%	0.25%		0.25%
Net proceeds from deducting initial purchase discounts and other debt issuance costs		$ 561,800,000
Debt instrument frequency of periodic payment			semiannually
Debt instrument payment terms			The Convertible Senior Notes bear interest at a rate of 0.25% per year and interest is payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2021.
Debt instrument payment beginning date			Sep. 15, 2021
Debt instrument, convertible, carrying amount of equity component						$ 572,000,000
Debt issuance costs net			$ 3,000,000
Senior note, amortized interest rate			5.10%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity for letters of credit			$ 350,000,000		$ 350,000,000		$ 350,000,000
Debt instrument maturity date			Mar. 01, 2029
Debt instrument, covenant description			The Senior Secured Credit Facility documents contain a requirement that we maintain a ratio of first lien net leverage to Credit Facility EBITDA below specified levels on a quarterly basis; however, such requirement is applicable only if more than 35% of the Revolving Credit Facility is utilized. As of March 31, 2025, no portion of the available capacity of the Revolving Credit Facility was drawn.
Loss on debt extinguishment			$ 4,300,000
Financing costs			$ 7,500,000
Revolving Credit Facility [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate	1.50%		1.50%
Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate	1.00%		1.00%
Revolving Credit Facility [Member] \| SOFR [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate	2.50%		2.75%
Revolving Credit Facility [Member] \| SOFR [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate	2.00%		2.25%
Term Debt [Member]
Debt Instrument [Line Items]
Debt instrument principal amount							$ 650,000,000
Debt instrument maturity date			Mar. 01, 2031
Debt instrument percentage of quarterly commencing date			Sep. 30, 2024
Debt instrument percentage of quarterly installment principal amount			0.25%
Debt instrument interest rate stated percentage			6.30%		7.10%
Term Debt [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate			1.00%
Term Debt [Member] \| SOFR [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate			2.00%