Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Number and Cost of Common Stock Shares Repurchased

The number and the cost of common stock shares repurchased during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table (in thousands):

	Years Ended December 31,
	2015		2014		2013
Common stock repurchased (in shares)	4,343		3,336		3,305
Common stock repurchased	$	228,166	$	161,587	$	117,864

Number and Cost of Employee Stock Plan Repurchases

The number and the cost of employee stock plan repurchases made during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table (in thousands):

	Years Ended December 31,
	2015		2014		2013
Employee stock plan repurchased (in shares)	474		462		1,157
Employee stock plan repurchased	$	24,755	$	22,386	$	44,169

Cash Dividends Declared

The cash dividends declared during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table:

	Years Ended December 31,
	2015		2014		2013
Cash dividends declared per share	$	.80	$	.72	$	.64