Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, unless otherwise specified		As Restated [Member]	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings As Restated [Member]	Treasury Stock
Balance at Dec. 26, 2010		$ 195,608	$ 361	$ 245,380	$ 849	$ 240,066	$ (291,048)
Balance (in shares) at Dec. 26, 2010			25,439
Comprehensive income:
Net income, net of redeemable noncontrolling interests	[1]	28,044				28,044
Other comprehensive income		759			759
Comprehensive income		28,803
Exercise of stock options (in shares)			444
Exercise of stock options		10,663	4	10,659
Tax effect of equity awards		(1,295)		(1,295)
Acquisition of Company common stock		(26,162)					(26,162)
Acquisition of Company common stock (in shares)			(817)
Stock-based compensation expense		3,903		3,903
Issuance of restricted stock (in shares)			76
Issuance of restricted stock				(1,884)			1,884
Other		160		(58)			218
Balance at Jun. 26, 2011		211,680	365	256,705	1,608	268,110	(315,108)
Balance (in shares) at Jun. 26, 2011			25,142
Balance at Mar. 27, 2011
Comprehensive income:
Net income, net of redeemable noncontrolling interests		12,068
Comprehensive income		11,554
Balance at Jun. 26, 2011		211,680
Balance at Dec. 25, 2011		205,647	367	262,456	1,849	294,801	(353,826)
Balance (in shares) at Dec. 25, 2011			24,019
Comprehensive income:
Net income, net of redeemable noncontrolling interests	[1]	31,270				31,270
Other comprehensive income		(240)			(240)
Comprehensive income		31,030
Exercise of stock options (in shares)			361
Exercise of stock options		10,400	4	10,396
Tax effect of equity awards		468		468
Acquisition of Company common stock		(38,728)					(38,728)
Acquisition of Company common stock (in shares)			(957)
Stock-based compensation expense		3,218		3,218
Issuance of restricted stock (in shares)			34
Issuance of restricted stock				(1,541)			1,541
Other		125		(134)			259
Balance at Jun. 24, 2012		212,160	371	274,863	1,609	326,071	(390,754)
Balance (in shares) at Jun. 24, 2012			23,457
Balance at Mar. 25, 2012
Comprehensive income:
Net income, net of redeemable noncontrolling interests		14,289
Comprehensive income		13,838
Balance at Jun. 24, 2012		$ 212,160

[1] Net income at June 24, 2012 and June 26, 2011 is net of $2,498 and $2,051, respectively, allocable to the redeemable noncontrolling interests for our joint venture arrangements.