CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock	Noncontrolling interest in consolidated subsidiaries
Balance at Dec. 25, 2010	$ 1,010,127	$ 27,900	$ 0	$ 850,269	$ 63,645	$ (25,922)	$ 94,235
Increase (Decrease) in Shareholders' Equity
Net earnings	119,278			113,577			5,701
Other comprehensive income (loss)	(23,708)				(21,877)		(1,831)
Cash dividends declared	(13,875)			(13,875)
Dividends to noncontrolling interests	(4,958)						(4,958)
Purchase of noncontrolling interest	(25,253)		16,592				(41,845)
Acquisitions	524						524
Purchase of 53,847 treasury shares	(4,802)					(4,802)
Stock plan exercises; 159,555 and 181,603 shares acquired for the period ended September 29, 2012 and September 24, 2011, respectively	(19,829)					(19,829)
Stock options exercised; 295,570 and 291,208 shares issued for the period ended September 29, 2012 and September 24, 2011, respectively	18,659		(23,353)	16,901		25,111
Tax benefit from stock option exercises	2,799		2,799
Stock option expense	3,732		3,732
Stock awards; 402 and 2,992 shares issued for the period ended 2012 and 2011	555		230			325
Balance at Sep. 24, 2011	1,063,249	27,900	0	966,872	41,768	(25,117)	51,826
Balance at Dec. 31, 2011	1,197,911	27,900	0	1,079,698	64,052	(24,688)	50,949
Increase (Decrease) in Shareholders' Equity
Net earnings	172,189			169,036			3,153
Other comprehensive income (loss)	25,383				23,097		2,286
Cash dividends declared	(16,754)			(16,754)
Dividends to noncontrolling interests	(1,379)						(1,379)
Sale of partial ownership interest	1,404		(610)				2,014
Stock plan exercises; 159,555 and 181,603 shares acquired for the period ended September 29, 2012 and September 24, 2011, respectively	(19,116)					(19,116)
Stock options exercised; 295,570 and 291,208 shares issued for the period ended September 29, 2012 and September 24, 2011, respectively	19,527		(8,027)	6,860		20,694
Tax benefit from stock option exercises	4,212		4,212
Stock option expense	3,735		3,735
Stock awards; 402 and 2,992 shares issued for the period ended 2012 and 2011	782		690			92
Balance at Sep. 29, 2012	$ 1,387,894	$ 27,900	$ 0	$ 1,238,840	$ 87,149	$ (23,018)	$ 57,023