Repurchases of Common Stock (Tables)

9 Months Ended

Sep. 30, 2019

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 surrender:

(in thousands, except per share amounts)	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2019		2018		2019		2018
Shares repurchased in the open market	330		302		683		1,284
Shares acquired through employee surrender for statutory tax withholding	1		1		38		50
Total shares repurchased	331		303		721		1,334
Cost of shares repurchased in the open market	$	91,051	$	73,247	$	165,198	$	265,209
Cost of shares for employee surrenders	277		390		7,849		9,110
Total cost of shares	$	91,328	$	73,637	$	173,047	$	274,319
Average cost per share - open market repurchases	$	275.50	$	242.78	$	241.56	$	206.59
Average cost per share - employee surrenders	$	286.65	$	253.34	$	209.20	$	181.68
Average cost per share - total	$	275.53	$	242.83	$	239.87	$	205.65