CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 9 months ended Sep. 27, 2016 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Total
Balance at Dec. 29, 2015	$ 931	$ 710,242	$ 1,140,788	$ (1,263,422)	$ 588,539
Balance (in shares) at Dec. 29, 2015	93,127
Increase (Decrease) in Stockholders' Equity
Net income			107,113		107,113
Cash dividends declared			(30,923)		(30,923)
Tax impact of stock options exercised, net of cancellations		8,450			8,450
Stock-based compensation		16,430			16,430
Common stock issued under stock-based compensation plans	$ 11	18,912			18,923
Common stock issued under stock-based compensation plans (in shares)	1,032
Treasury stock purchases				(119,001)	(119,001)
Balance at Sep. 27, 2016	$ 942	$ 754,034	$ 1,216,978	$ (1,382,423)	$ 589,531
Balance (in shares) at Sep. 27, 2016	94,159