Repurchases of Common Stock (Tables)

3 Months Ended

Mar. 31, 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 for the three months ended March 31, 2019 and 2018(in thousands, except per share amounts): 

	For the Three Months Ended March 31,
	2019		2018
Shares repurchased in the open market	267		465
Shares acquired through employee surrender for statutory tax withholding	36		48
Total shares repurchased	303		513
Cost of shares repurchased in the open market	$	53,862	$	86,188
Cost of shares for employee surrenders	7,403		8,555
Total cost of shares	$	61,265	$	94,743
Average cost per share - open market repurchases	$	201.41	$	185.23
Average cost per share - employee surrenders	$	206.35	$	178.83
Average cost per share - total	$	202.00	$	184.63