Supplemental Cash Flows Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 10, 2014
Cash and Cash Equivalents [Line Items]
Cash paid for interest		$ 54,500	$ 106,000	$ 55,400
Cash paid for income taxes, net of refunds received		61,200	45,000	45,900
Deferred tax expense from exercise of stock options		11,300	$ 2,900	$ 4,800
Reacquisition of 3.25% Convertible Notes, net of tax		(390,526)
Non-cash exchange of available-for-sale debt securities	$ 18,300
Additional paid-in capital
Cash and Cash Equivalents [Line Items]
Reacquisition of 3.25% Convertible Notes, net of tax		(390,526)
Bridge Loan | Bridge Loan
Cash and Cash Equivalents [Line Items]
Aggregate purchase price		$ 485,000
3.25% Convertible Notes | Convertible Debt
Cash and Cash Equivalents [Line Items]
Conversion shares issued as extinguishment cost on 3.25% convertible notes (in shares)		3,050,850
Stated interest rate					3.25%