Long-term Debt - Additional Information (Details)		6 Months Ended
	Jun. 18, 2021 USD ($) Day $ / shares shares	Jun. 30, 2021 USD ($)
Debt Instrument [Line Items]
Net proceeds from offering, after deducting commissions paid to initial purchasers and debt issuance costs paid to third-parties		$ 625,000,000
Net carrying value of debt		$ 608,960,000
0.75% Unsecured Convertible Senior Notes Due 2026
Debt Instrument [Line Items]
Debt instrument aggregate principal amount	$ 625,000,000.0
Debt instrument interest rate	0.75%
Aggregate principal amount exercise in overallotment option granted to initial purchasers	$ 75,000,000.0
Long-term debt, frequency of periodic payment		semiannually
Long-term debt, beginning date of payment	Jan. 01, 2022
Long-term debt, maturity date	Jul. 01, 2026
Long-term debt payment terms		The Notes bear interest at a rate of 0.75% per annum, payable semiannually in arrears on January 1 and July 1 of each year, beginning on January 1, 2022.
Net proceeds from offering, after deducting commissions paid to initial purchasers and debt issuance costs paid to third-parties	$ 608,800,000
Debt conversion, each principal amount initially be convertible	$ 1,000
Initial conversion price per share | $ / shares	$ 56.01
Debt instrument conversion date	Apr. 01, 2026
Unamortized debt discount and debt issuance costs		$ 16,000,000.0
Net carrying value of debt		$ 609,000,000.0
Effective interest rate		1.30%
0.75% Unsecured Convertible Senior Notes Due 2026 | Level 2
Debt Instrument [Line Items]
Estimated fair value of notes		$ 644,000,000.0
0.75% Unsecured Convertible Senior Notes Due 2026 | During any Fiscal Quarter Commencing After Fiscal Quarter Ending on September 30, 2021
Debt Instrument [Line Items]
Consecutive trading days | Day	30
0.75% Unsecured Convertible Senior Notes Due 2026 | During any Fiscal Quarter Commencing After Fiscal Quarter Ending on September 30, 2021 | Minimum
Debt Instrument [Line Items]
Trading days | Day	20
Conversion price	130.00%
0.75% Unsecured Convertible Senior Notes Due 2026 | During Five Consecutive Business Day Period After any Ten Consecutive Trading Day Period
Debt Instrument [Line Items]
Debt conversion, each principal amount initially be convertible	$ 1,000
Consecutive trading days | Day	10
0.75% Unsecured Convertible Senior Notes Due 2026 | During Five Consecutive Business Day Period After any Ten Consecutive Trading Day Period | Maximum
Debt Instrument [Line Items]
Conversion price	98.00%
0.75% Unsecured Convertible Senior Notes Due 2026 | Company May Redeem On or after July 6, 2024
Debt Instrument [Line Items]
Consecutive trading days | Day	30
Redemption percentage of principal amount	100.00%
0.75% Unsecured Convertible Senior Notes Due 2026 | Company May Redeem On or after July 6, 2024 | Minimum
Debt Instrument [Line Items]
Trading days | Day	20
Conversion price	130.00%
0.75% Unsecured Convertible Senior Notes Due 2026 | Common Stock
Debt Instrument [Line Items]
Debt conversion, for each principal amount conversion to shares | shares	17.8527