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. 31, 2011	$ 1,197,911	$ 27,900		$ 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; 85,874 and 119,928 shares acquired for the period ended Jun 29, 2013 and Jun 30, 2012, respectively	(14,086)					(14,086)
Stock options exercised; 177,902 and 230,141 shares issued for the period ended Jun 29, 2013 and Jun 30, 2012, 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; 2667 and 402 shares issued for the period ended Jun 29, 2013 and Jun 30, 2012, respectively	577		485			92
Balance at Jun. 30, 2012	1,307,839	27,900		1,186,603	62,587	(23,316)	54,065
Balance at Dec. 29, 2012	1,407,010	27,900		1,300,529	43,938	(22,455)	57,098
Increase (Decrease) in Shareholders' Equity
Net earnings	169,456			167,132			2,324
Other comprehensive income (loss)	(68,470)				(62,957)		(5,513)
Cash dividends declared	(12,713)			(12,713)
Dividends to noncontrolling interests	(1,767)						(1,767)
Acquisition of Locker	325						325
Stock plan exercises; 85,874 and 119,928 shares acquired for the period ended Jun 29, 2013 and Jun 30, 2012, respectively	(13,602)					(13,602)
Stock options exercised; 177,902 and 230,141 shares issued for the period ended Jun 29, 2013 and Jun 30, 2012, respectively	14,098		(3,647)	3,378		14,367
Tax benefit from stock option exercises	305		305
Stock option expense	2,627		2,627
Stock awards; 2667 and 402 shares issued for the period ended Jun 29, 2013 and Jun 30, 2012, respectively	1,088		715			373
Balance at Jun. 29, 2013	$ 1,498,357	$ 27,900		$ 1,458,326	$ (19,019)	$ (21,317)	$ 52,467