Repurchases Of Common Stock (Tables)

3 Months Ended

Mar. 31, 2018

Repurchases Of Common Stock [Abstract]

Schedule Of Common Stock Repurchases

	For the Three Months Ended
	March 31,
	2018		2017
Shares repurchased in the open market		465		390
Shares acquired through employee surrender for statutory tax withholding		48		52
Total shares repurchased		513		442
Cost of shares repurchased in the open market	$	86,188	$	50,744
Cost of shares for employee surrenders		8,555		7,303
Total cost of shares	$	94,743	$	58,047
Average cost per share - open market repurchase	$	185.23	$	130.12
Average cost per share - employee surrenders	$	178.83	$	141.09
Average cost per share - total	$	184.63	$	131.41