Consolidated Statements Of Shareholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Pension & Other Post retirement Benefits (In thousands)	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 (in shares) at Jan. 02, 2010		88,233
Net income (loss)	(30,166)			(34,124)				3,958
Liquidation of noncontrolling interests	(314)							(314)
Transfer of land (and taxes related to the transfer) to affiliate entity	1,337		1,337
Share-based compensation	6,642		6,642
Issuance of restricted stock		396
Issuance of restricted stock		1	(1)
Cancellation of restricted stock, shares		(18)
Cancellation of restricted stock	(33)		(33)
Dividends paid	(1,958)							(1,958)
Non-cash distribution	(4,078)							(4,078)
Net foreign currency translation adjustment	3,844					3,841		3
Unrealized hedging gains (losses), net of income tax expense (benefit) of $2,079, ($2,914) and $1,907 for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	(14,416)						(14,416)
Reclassification of realized losses to net income, net of income tax expense (benefit) of ($1,132), $1,281 and ($47)	9,390						9,390
Change in employee benefit plans, net of income tax expense (benefit) of ($9082), ($8964) and ($1,019) for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	(19,443)				(19,443)
Ending Balance at Jan. 01, 2011	816,784	89	776,918	71,083	(71,836)	42,067	(26,152)	24,615
Ending Balance (in shares) at Jan. 01, 2011		88,611
Net income (loss)	41,793			38,359				3,434
Share-based compensation	9,143		9,143
Exercise of stock options (in shares)		27
Exercise of stock options	312		312
Issuance of restricted stock		357
Cancellation of restricted stock, shares		(43)
Cancellation of restricted stock	(18)		(18)
Dividends paid	(2,935)							(2,935)
Change in noncontrolling interests	799							799
Net foreign currency translation adjustment	(11,717)					(11,721)		4
Unrealized hedging gains (losses), net of income tax expense (benefit) of $2,079, ($2,914) and $1,907 for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	(45,619)						(45,619)
Reclassification of realized losses to net income, net of income tax expense (benefit) of ($1,132), $1,281 and ($47)	32,751						32,751
Change in employee benefit plans, net of income tax expense (benefit) of ($9082), ($8964) and ($1,019) for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	(22,872)				(22,872)
Ending Balance at Dec. 31, 2011	818,421	89	786,355	109,442	(94,708)	30,346	(39,020)	25,917
Ending Balance (in shares) at Dec. 31, 2011	88,952	88,952
Net income (loss)	(141,567)			(144,463)				2,896
Share-based compensation	12,653		12,653
Exercise of stock options (in shares)	381	381
Exercise of stock options	3,619		3,619
Issuance of restricted stock		33
Repurchase of stock, shares		(171)
Repurchases of stock	(2,110)		(2,110)
Cancellation of restricted stock, shares		(6)
Dividends paid	(1,711)							(1,711)
Change in noncontrolling interests	(714)							(714)
Net foreign currency translation adjustment	4,028					4,025		3
Unrealized hedging gains (losses), net of income tax expense (benefit) of $2,079, ($2,914) and $1,907 for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	25,318						25,318
Reclassification of realized losses to net income, net of income tax expense (benefit) of ($1,132), $1,281 and ($47)	12,003						12,003
Change in employee benefit plans, net of income tax expense (benefit) of ($9082), ($8964) and ($1,019) for the year ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively	(17,414)				(17,414)
Ending Balance at Dec. 29, 2012	$ 712,526	$ 89	$ 800,517	$ (35,021)	$ (112,122)	$ 34,371	$ (1,699)	$ 26,391
Ending Balance (in shares) at Dec. 29, 2012	89,189	89,189