CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIENCY) (USD $) In Thousands, unless otherwise specified	Comprehensive Loss [Member] Predecessor [Member]	Comprehensive Loss [Member] Successor [Member]	Common Stock and Additional Paid-in-Capital [Member] Predecessor [Member]	Common Stock and Additional Paid-in-Capital [Member] Successor [Member]	Treasury Stock [Member] Predecessor [Member]	Treasury Stock [Member] Successor [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Predecessor [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Successor [Member]	Accumulated Deficiency [Member] Predecessor [Member]	Accumulated Deficiency [Member] Successor [Member]	Total	Predecessor [Member]	Successor [Member]
BALANCE at Dec. 31, 2008			$ 264,217		$ (751)		$ (29,672)		$ (307,609)		$ (73,815)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(140,112)		0		0		0		(140,112)		(140,112)	(140,112)
Exercise of share-based awards	0		47		0		0		0		47
Exercise of warrants	0		3,985		0		0		0		3,985
Share-based compensation expense	0		333		0		0		0		333	333
Other comprehensive income (loss):
Pension liability adjustment (net of tax)	(18,704)		0		0		(18,704)		0		(18,704)
Comprehensive loss	(158,816)
BALANCE at Dec. 31, 2009			268,582		(751)		(48,376)		(447,721)		(228,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Loss before reorganization items	(8,509)		0		0		0		(8,509)		(8,509)
Net loss												50,802
Exercise of share-based awards	0		8		0		0		0		8
Reorganization items	(25,030)		0		0		0		(25,030)		(25,030)
Share-based compensation expense												0
Other comprehensive income (loss):
Comprehensive loss	(33,539)
FRESH START ADJUSTMENTS:
Debt discharge - Senior Subordinated Notes	252,798		38,178		0		0		252,798		290,976
Debt discharge - Deferred financing fees	(3,847)		0		0		0		(3,847)		(3,847)
Debt discharge - Sun Capital Warrant liability	76		0		0		0		76		76
Debt discharge - Term facility discount	(2,974)		0		0		0		(2,974)		(2,974)
Issuance of Warrants	(6,618)		0		0		0		(6,618)		(6,618)
Issuance of Notes	(155,094)		0		0		0		(155,094)		(155,094)
Comprehensive income	84,341
FRESH START ADJUSTMENTS:
Cancellation of Predecessor preferred, common and treasury stock	0		(306,768)		751		0		0		(306,017)
Cancellation of Predecessor accumulated deficit and accumulated other comprehensive loss	0		0		0		48,376		396,919		445,295
Issuance of new equity interests	0		39,034		0		0		0		39,034
BALANCE at Feb. 26, 2010			268,590	39,034	(751)	0	(48,376)	0	(481,260)	0	(261,797)
BALANCE at Feb. 26, 2010			306,768		(751)		(48,376)		(396,919)		(139,278)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(126,532)		0		0		0		(126,532)	(126,532)		(126,532)
Conversion of convertible notes		0		393,072		0		0		0	393,072
Share-based compensation expense		0		1,101		0		0		0	1,101		1,101
Other		0		(15)		0		0		0	(15)
Other comprehensive income (loss):
Pension liability adjustment (net of tax)		(8,561)		0		0		(8,561)		0	(8,561)
Comprehensive loss		(135,093)
BALANCE at Dec. 31, 2010				433,192		0		(8,561)		(126,532)	298,099
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(17,031)		0		0		0		(17,031)	(17,031)		(17,031)
Share-based compensation expense		0		2,397		0		0		0	2,397		2,397
Tax impact of forfeited vested options		0		(221)		0		0		0	(221)
Other comprehensive income (loss):
Pension liability adjustment (net of tax)		(25,861)		0		0		(25,861)		0	(25,861)
Comprehensive loss		(42,892)
BALANCE at Dec. 31, 2011				$ 435,368		$ 0		$ (34,422)		$ (143,563)	$ 257,383