Consolidated Statements of Changes in Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Translation Adjustment [Member]	Pension Plans, Defined Benefit [Member]	Gain (Loss) on Derivatives [Member]
Stockholders' Equity at Dec. 25, 2009	$ 47,060	$ 178	$ 713,460	$ (680,830)	$ 24,892	$ (7,736)	$ (2,904)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(38,540)	0	0	(38,540)	0	0	0
Other comprehensive loss, net of tax	(1,023)	0	0	0	(7,256)	3,329	2,904
Issuance of shares pursuant to share-based payment plans	0	4	(4)	0	0	0	0
Share-based compensation	2,334	0	2,334	0	0	0	0
Stockholders' Equity at Dec. 31, 2010	9,831	182	715,790	(719,370)	17,636	(4,407)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(62,717)	0	0	(62,717)	0	0	0
Other comprehensive loss, net of tax	(3,457)	0	0	0	2,380	(5,837)	0
Issuance of shares pursuant to share-based payment plans	0	3	(3)	0	0	0	0
Share-based compensation	3,050	0	3,050	0	0	0	0
Stockholders' Equity at Dec. 30, 2011	(53,293)	185	718,837	(782,087)	20,016	(10,244)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(36,768)	0	0	(36,768)	0	0	0
Other comprehensive loss, net of tax	1,033	0	0	0	80	953	0
Issuance of shares pursuant to share-based payment plans	0	4	(4)	0
Share-based compensation	3,036	0	3,036	0	0	0	0
Stockholders' Equity at Dec. 31, 2012	$ (85,992)	$ 189	$ 721,869	$ (818,855)	$ 20,096	$ (9,291)	$ 0