Repurchases of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Equity [Abstract]
Shares repurchased in the open market (in shares)	0	809	0	1,311
Shares acquired through employee surrender for statutory tax withholding (in shares)	0	0	19	21
Total shares repurchased (in shares)	0	809	19	1,332
Cost of shares repurchased in the open market	$ 0	$ 313,455	$ 0	$ 576,238
Cost of shares for employee surrenders	79	52	9,676	10,390
Total cost of shares	$ 79	$ 313,507	$ 9,676	$ 586,628
Average cost per share - open market repurchases (in USD per share)	$ 0	$ 387.78	$ 0	$ 439.63
Average cost per share - employee surrenders (in USD per share)	469.84	369.63	503.35	504.60
Average cost per share - total (in USD per share)	$ 469.84	$ 387.78	$ 503.35	$ 440.63