Repurchases of Common Stock (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of common stock repurchases

The following is a summary of our open market common stock repurchases, reported on a trade date basis, and shares acquired through employee surrenders:

(in thousands, except per share amounts)	For the Years Ended December 31,
	2021		2020		2019
Shares repurchased in the open market	1,283		721		1,215
Shares acquired through employee surrenders for statutory tax withholding	29		58		39
Total shares repurchased	1,312		779		1,254
Cost of shares repurchased in the open market	$	755,545	$	179,623	$	303,838
Cost of shares for employee surrenders	15,562		20,603		8,054
Total cost of shares	$	771,107	$	200,226	$	311,892
Average cost per share - open market repurchases	$	588.58	$	249.20	$	249.84
Average cost per share - employee surrenders	$	548.08	$	354.98	$	210.10
Average cost per share - total	$	587.70	$	257.08	$	248.62