Equity - Treasury Stock (Details) - USD ($) shares in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Aug. 31, 2020	Sep. 30, 2018
Equity, Class of Treasury Stock [Line Items]
Value of treasury stock acquired, cost method	$ 63,988,000	$ 249,949,000	$ 11,954,000
Cash payments related to stock repurchases	66,687,000	247,249,000	20,092,000
2018 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Aggregate authorized amount of common stock to be repurchased					$ 500,000,000
2020 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Aggregate authorized amount of common stock to be repurchased				$ 500,000,000
Remaining authorized share repurchase amount under repurchase program	472,800,000
Treasury Stock Associated with Deferred Compensation Plans
Equity, Class of Treasury Stock [Line Items]
Net amounts recorded to treasury stock related to the deferred compensation plans	$ 6,800,000	$ 4,400,000	$ (3,000,000)
Common Stock Withheld for Settlement of Employee Tax Liabilities
Equity, Class of Treasury Stock [Line Items]
Treasury stock acquired (in shares)	0.8	0.6	0.5
Value of treasury stock acquired, cost method	$ 65,300,000	$ 25,500,000	$ 17,400,000