Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016, 2015 and 2014, are reflected in the following table (in thousands):

	Years Ended December 31,
	2016		2015		2014
Common stock repurchased (in shares)	4,046		4,343		3,336
Common stock repurchased	$	163,614	$	228,166	$	161,587

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, 2016, 2015 and 2014, are reflected in the following table (in thousands):

	Years Ended December 31,
	2016		2015		2014
Repurchases related to employee stock plans (in shares)	359		474		462
Repurchases related to employee stock plans	$	15,170	$	24,755	$	22,386

Cash Dividends Declared

The cash dividends declared during the years ended December 31, 2016, 2015 and 2014, are reflected in the following table:

	Years Ended December 31,
	2016		2015		2014
Cash dividends declared per share	$	.88	$	.80	$	.72