Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) Share data in Thousands	Total		Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock	Noncontrolling Interests in Subsidiaries
Balance at Dec. 27, 2009	$ 185,037,000		$ 358,000	$ 231,720,000	$ (1,084,000)	$ 191,212,000	$ (245,337,000)	$ 8,168,000
Balance (in shares) at Dec. 27, 2009			26,930
Comprehensive income:
Net income	40,587,000.0					37,915,000.0		2,672,000.0
Change in valuation of interest rate swap agreements, net of tax	1,730,000				1,730,000
Foreign currency translation	34,000				34,000
Comprehensive income	42,351,000
Exercise of stock options (in shares)			283
Exercise of stock options	5,304,000		2,000	5,017,000			285,000
Tax effect of equity awards	(63,000)			(63,000)
Acquisition of Company common stock	(43,215,000)						(43,215,000)
Acquisition of Company common stock (in shares)			(1,738)
Net contributions (distributions) - noncontrolling interests	(2,907,000)							(2,907,000)
Stock-based compensation expense	4,491,000			4,491,000
Issuance of restricted stock (in shares)			34
Issuance of restricted stock				(880,000)			880,000
Other	2,264,000			2,206,000			58,000
Balance at Sep. 26, 2010	193,262,000		360,000	242,491,000	680,000	229,127,000	(287,329,000)	7,933,000
Balance (in shares) at Sep. 26, 2010			25,509
Balance at Dec. 26, 2010	207,200,000	[1]	361,000	245,380,000	849,000	243,152,000	(291,048,000)	8,506,000
Balance (in shares) at Dec. 26, 2010			25,439
Comprehensive income:
Net income	42,542,000.0					39,674,000.0		2,868,000.0
Change in valuation of interest rate swap agreements, net of tax	66,000				66,000
Foreign currency translation	440,000				440,000
Comprehensive income	43,048,000
Exercise of stock options (in shares)			459
Exercise of stock options	10,981,000		5,000	10,976,000
Tax effect of equity awards	(1,449,000)			(1,449,000)
Acquisition of Company common stock	(49,579,000)						(49,579,000)
Acquisition of Company common stock (in shares)			(1,615)
Net contributions (distributions) - noncontrolling interests	(3,129,000)							(3,129,000)
Stock-based compensation expense	5,266,000			5,266,000
Issuance of restricted stock (in shares)			92
Issuance of restricted stock				(2,253,000)			2,253,000
Other	216,000			(66,000)			282,000
Balance at Sep. 25, 2011	$ 212,554,000		$ 366,000	$ 257,854,000	$ 1,355,000	$ 282,826,000	$ (338,092,000)	$ 8,245,000
Balance (in shares) at Sep. 25, 2011			24,375

[1] Note: The balance sheet at December 26, 2010 has been derived from the audited consolidated financial statements at that date, but does not include all information and footnotes required by accounting principles generally accepted in the United States for a complete set of financial statements.