Repurchases of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Equity [Abstract]
Shares repurchased in the open market (in shares)	65	453	65	1,764
Shares acquired through employee surrender for statutory tax withholding (in shares)	1	0	20	21
Total shares repurchased (in shares)	66	453	85	1,785
Cost of shares repurchased in the open market	$ 35,070	$ 166,423	$ 35,070	$ 742,661
Cost of shares for employee surrenders	231	162	9,907	10,552
Total cost of shares	$ 35,301	$ 166,585	$ 44,977	$ 753,213
Average cost per share - open market repurchases (in USD per share)	$ 536.03	$ 367.55	$ 536.03	$ 421.12
Average cost per share - employee surrenders (in USD per share)	506.74	387.07	503.43	502.26
Average cost per share - total (in USD per share)	$ 535.83	$ 367.56	$ 528.49	$ 422.07