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	74,864			71,436			3,428
Other comprehensive income (loss)	30,474				27,614		2,860
Cash dividends declared	(9,115)			(9,115)
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; 119,928 and 168,573 shares acquired for the period ended June 30, 2012 and June 25, 2011, respectively	(18,443)					(18,443)
Stock options exercised; 230,141 and 263,407 shares issued for the period ended June 30, 2012 and June 25, 2011, respectively	16,933		(21,743)	15,122		23,554
Tax benefit from stock option exercises	2,533		2,533
Stock option expense	2,467		2,467
Stock awards; 402 and 2,992 shares issued for the period ended 2012 and 2011	476		151			325
Balance at Jun. 25, 2011	1,075,827	27,900	0	927,712	91,259	(25,288)	54,244
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	113,747			112,305			1,442
Other comprehensive income (loss)	(426)				(1,465)		1,039
Cash dividends declared	(10,763)			(10,763)
Dividends to noncontrolling interests	(1,379)						(1,379)
Sale of partial ownership interest	1,404		(610)				2,014
Stock plan exercises; 119,928 and 168,573 shares acquired for the period ended June 30, 2012 and June 25, 2011, respectively	(14,086)					(14,086)
Stock options exercised; 230,141 and 263,407 shares issued for the period ended June 30, 2012 and June 25, 2011, respectively	15,153		(5,576)	5,363		15,366
Tax benefit from stock option exercises	3,211		3,211
Stock option expense	2,490		2,490
Stock awards; 402 and 2,992 shares issued for the period ended 2012 and 2011	577		485			92
Balance at Jun. 30, 2012	$ 1,307,839	$ 27,900	$ 0	$ 1,186,603	$ 62,587	$ (23,316)	$ 54,065