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Debt - Additional Information (Detail) - USD ($)	1 Months Ended	6 Months Ended
Debt - Additional Information (Detail) - USD ($)	Mar. 31, 2021	Jun. 30, 2024	Feb. 29, 2024	Dec. 31, 2023	Apr. 30, 2018
Debt Instrument [Line Items]
Accrued interest and fees		$ 1,100,000		$ 900,000
Fair value of our indebtedness		1,176,900,000		$ 1,163,200,000
Loss on debt extinguishment		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	33,000,000.0
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		$ 569,700,000
Debt issuance costs net		$ 5,300,000
Senior note, amortized interest rate		5.10%
2018 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity for letters of credit		$ 300,000,000			$ 300,000,000
Debt instrument maturity date		Jan. 29, 2025
2024 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity for letters of credit		$ 350,000,000			350,000,000
Debt instrument maturity date		Mar. 01, 2029
Debt instrument, covenant description		The 2024 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 2024 Revolving Credit Facility is utilized. As of June 30, 2024, no portion of the 2024 Revolving Credit Facility was utilized.
Loss on debt extinguishment		$ 4,300,000
Financing costs		$ 7,500,000
2024 Revolving Credit Facility [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		1.75%
2024 Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		1.25%
2024 Revolving Credit Facility [Member] \| SOFR [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		2.75%
2024 Revolving Credit Facility [Member] \| SOFR [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		2.25%
2018 Term Debt [Member]
Debt Instrument [Line Items]
Debt instrument principal amount					$ 680,000,000
Debt instrument maturity date		Apr. 30, 2025
Debt instrument percentage of quarterly installment principal amount		0.25%
Debt instrument percentage of aggregate principal amount		1.00%
Debt instrument interest rate stated percentage				8.00%
2024 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		7.80%
2024 Term Debt [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		1.50%
2024 Term Debt [Member] \| SOFR [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate		2.50%