Consolidated Statement of Changes in Shareholders Equity - 9 months ended Sep. 26, 2015 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock at Cost	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 27, 2014		67,268,817			22,474,331
Beginning Balance at Dec. 27, 2014	$ 488,261	$ 673	$ 189,012	$ 1,255,374	$ (955,613)	$ (1,185)
Net income	109,834			109,834
Dividends	(9,673)			(9,673)
Purchases of common stock (in shares)					1,719,185
Purchases of common stock	(112,654)				$ (112,654)
Issuance of stock related to stock-based compensation plans, including excess tax effect (in shares)		110,751
Issuance of stock related to stock-based compensation plans, including excess tax effect	(448)	$ 1	(449)
Stock-based compensation	4,939		4,939
Other comprehensive loss	(1,558)					(1,558)
Ending Balance (in shares) at Sep. 26, 2015		67,379,568			24,193,516
Ending Balance at Sep. 26, 2015	$ 478,701	$ 674	$ 193,502	$ 1,355,535	$ (1,068,267)	$ (2,743)