Repurchases Of Common Stock (Tables)

12 Months Ended

Dec. 31, 2014

Repurchases Of Common Stock [Abstract]

Schedule Of Common Stock Repurchases

	For the Years Ended December 31,
	2014		2013		2012
Shares repurchased		4,881		3,952		1,474
Total cost of shares repurchased	$	618,158	$	367,761	$	132,268
Average cost per share	$	126.66	$	93.06	$	89.72