Consolidated Statements of Shareholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Pension & Other Postretirement Benefits	Cumulative Translation Adjustment	Unrealized Gains (Losses) on Hedges	Equity Attributable to Noncontrolling Interests
Beginning Balance at Jan. 03, 2009	$ 433,159	$ 51	$ 409,630	$ 36,122	$ (40,960)	$ 27,187	$ (29,130)	$ 30,259
Beginning Balance, shares at Jan. 03, 2009		51,710
Net income (loss)	88,033			84,085				3,948
Initial public offering	415,120	36	415,084
Initial public offering, shares		35,715
Deemed assumption of Hotel and Wellness Center debt	(85,000)		(85,000)
Transfer of land (and taxes related to the transfer) from affiliate entity	(5,956)		(5,956)
Contribution of net deferred tax assets from DHM Holding Company, Inc.	33,794		33,794
Share-based compensation	925		925
Issuance of restricted stock		1	(1)
Issuance of restricted stock, shares		808
Change in noncontrolling interests	(340)							(340)
Dividends paid	(21,382)			(15,000)				(6,382)
Net foreign currency translation adjustment	11,055					11,039		16
Unrealized hedging gains (losses), net of income taxes of $0, $1,907, and ($2,914)	(3,593)						(3,593)
Reclassification of realized losses to net income, net of income taxes of $0, ($47) and $1,281	11,597						11,597
Change in employee benefit plans, net of income taxes of ($10,963), ($1,019), and ($8,964)	(11,433)				(11,433)
Contribution received from noncontrolling interest			497					(497)
Ending Balance at Jan. 02, 2010	865,979	88	768,973	105,207	(52,393)	38,226	(21,126)	27,004
Ending Balance, 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) from affiliate entity	1,337		1,337
Share-based compensation	6,642		6,642
Issuance of restricted stock		1	(1)
Issuance of restricted stock, shares		396
Cancellation of restricted stock	(33)		(33)
Cancellation of restricted stock, shares		(18)
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 taxes of $0, $1,907, and ($2,914)	(14,416)						(14,416)
Reclassification of realized losses to net income, net of income taxes of $0, ($47) and $1,281	9,390						9,390
Change in employee benefit plans, net of income taxes of ($10,963), ($1,019), and ($8,964)	(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, shares at Jan. 01, 2011	88,611	88,611
Net income (loss)	41,793			38,359				3,434
Share-based compensation	9,143		9,143
Exercise of stock options	312		312
Exercise of stock options, shares		27
Issuance of restricted stock, shares		357
Cancellation of restricted stock	(18)		(18)
Cancellation of restricted stock, shares		(43)
Change in noncontrolling interests	799							799
Dividends paid	(2,935)							(2,935)
Net foreign currency translation adjustment	(11,717)					(11,721)		4
Unrealized hedging gains (losses), net of income taxes of $0, $1,907, and ($2,914)	(45,619)						(45,619)
Reclassification of realized losses to net income, net of income taxes of $0, ($47) and $1,281	32,751						32,751
Change in employee benefit plans, net of income taxes of ($10,963), ($1,019), and ($8,964)	(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, shares at Dec. 31, 2011	88,611	88,952