Consolidated Statement of Changes in Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock at Cost	Accumulated Other Comprehensive Income (loss)
Balance at Dec. 29, 2012	$ 379,454	$ 669	$ 173,976	$ 1,042,956	$ (839,517)	$ 1,370
Balance (in shares) at Dec. 29, 2012		66,859,864			20,411,736
Net income	86,452			86,452
Purchases of common stock (in shares)					884,327
Purchases of common stock	(46,603)				(46,603)
Issuance of stock related to stock-based compensation plans, including excess tax effect (in shares)		153,433			284
Issuance of stock related to stock-based compensation plans, including excess tax effect	829	1	843		(15)
Stock-based compensation	4,133		4,133
Other comprehensive loss	(1,004)					(1,004)
Balance at Sep. 28, 2013	$ 423,261	$ 670	$ 178,952	$ 1,129,408	$ (886,135)	$ 366
Balance (in shares) at Sep. 28, 2013		67,013,297			21,296,347