Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Pension & Other Postretirement Benefits	Cumulative Translation Adjustment	Unrealized Gains (Losses) on Hedges	Equity Attributable to Noncontrolling Interests
Beginning Balance at Jan. 02, 2010	$ 865,979	$ 88	$ 768,973	$ 105,207	$ (52,393)	$ 38,226	$ (21,126)	$ 27,004
Beginning Balance, shares at Jan. 02, 2010		88,233
Net income	56,234			54,474				1,760
Share-based compensation	2,757		2,757
Cancellation of restricted stock, shares		(6)
Dividends paid	(1,268)							(1,268)
Net foreign currency translation adjustment	(24,741)					(24,715)		(26)
Unrealized hedging gains (losses), net of income taxes of $166 and ($639)	8,406						8,406
Reclassification of realized losses to net income, net of income taxes of ($26) and $680	2,259						2,259
Ending Balance at Jun. 19, 2010	909,626	88	771,730	159,681	(52,393)	13,511	(10,461)	27,470
Ending Balance, shares at Jun. 19, 2010		88,227
Beginning Balance at Jan. 01, 2011	816,784	89	776,918	71,083	(71,836)	42,067	(26,152)	24,615
Beginning Balance, shares at Jan. 01, 2011	88,611	88,611
Net income	85,078			82,806				2,272
Share-based compensation	3,997		3,997
Exercise of stock options	312		312
Exercise of stock options, shares		27
Issuance of restricted stock, shares		6
Cancellation of restricted stock, shares		(40)
Dividends paid	(2,250)							(2,250)
Net foreign currency translation adjustment	7,526					7,503		23
Unrealized hedging gains (losses), net of income taxes of $166 and ($639)	(14,197)						(14,197)
Reclassification of realized losses to net income, net of income taxes of ($26) and $680	13,723						13,723
Ending Balance at Jun. 18, 2011	$ 910,973	$ 89	$ 781,227	$ 153,889	$ (71,836)	$ 49,570	$ (26,626)	$ 24,660
Ending Balance, shares at Jun. 18, 2011	88,604	88,604