Consolidated Statements of Changes in 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)	Non-controlling Interest
Beginning Balance at Dec. 25, 2010	$ 250,967	$ 665	$ 169,268	$ 844,132	$ (763,182)	$ 881	$ (797)
Beginning Balance (in shares) at Dec. 25, 2010		66,535,169			18,674,902
Net income (loss)	112,945			113,007			(62)
Dividends paid	(9,983)			(9,983)
Purchases of common stock (in shares)					1,206,111
Purchases of common stock	(50,450)				(50,450)
Purchase of noncontrolling interest	(8,000)		(8,859)				859
Issuance of stock related to stock-based compensation plans, including excess tax effect (in shares)		67,317			1,276
Issuance of stock related to stock-based compensation plans, including excess tax effect	240	1	291		(52)
Stock-based compensation	5,012		5,012
Other comprehensive (loss) income	(154)					(154)
Ending Balance at Dec. 31, 2011	300,577	666	165,712	947,156	(813,684)	727
Ending Balance (in shares) at Dec. 31, 2011		66,602,486			19,882,289
Net income (loss)	129,781			129,781
Dividends paid	(33,981)			(33,981)
Purchases of common stock (in shares)					524,674
Purchases of common stock	(25,826)				(25,826)
Issuance of stock related to stock-based compensation plans, including excess tax effect (in shares)		257,378			4,773
Issuance of stock related to stock-based compensation plans, including excess tax effect	2,111	3	2,115		(7)
Stock-based compensation	6,149		6,149
Other comprehensive (loss) income	643					643
Ending Balance at Dec. 29, 2012	379,454	669	173,976	1,042,956	(839,517)	1,370
Ending Balance (in shares) at Dec. 29, 2012		66,859,864			20,411,736
Net income (loss)	146,009			146,009
Dividends	(15,921)			(15,921)
Purchases of common stock (in shares)					1,116,673
Purchases of common stock	(59,496)				(59,496)
Issuance of stock related to stock-based compensation plans, including excess tax effect (in shares)		157,994			284
Issuance of stock related to stock-based compensation plans, including excess tax effect	906	1	920		(15)
Stock-based compensation	4,911		4,911
Other comprehensive (loss) income	(1,382)					(1,382)
Ending Balance at Dec. 28, 2013	$ 454,481	$ 670	$ 179,807	$ 1,173,044	$ (899,028)	$ (12)
Ending Balance (in shares) at Dec. 28, 2013		67,017,858			21,528,693