LONG-TERM DEBT AND LEASE FINANCING OBLIGATION (Details) (USD $)			3 Months Ended				3 Months Ended				12 Months Ended				1 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Senior secured ABL revolving credit facility due 2016 denominator D numerator	Dec. 31, 2011 Senior secured ABL revolving credit facility due 2016	Mar. 31, 2012 9.0% senior secured notes due 2017, net of original issuance discount	Dec. 31, 2011 9.0% senior secured notes due 2017, net of original issuance discount	Mar. 31, 2012 9.0% senior secured notes due 2017, net of original issuance discount On or after January 15, 2014	Mar. 31, 2012 9.0% senior secured notes due 2017, net of original issuance discount On or after January 15, 2016	Mar. 31, 2012 9.0% senior secured notes due 2017, net of original issuance discount Prior to January 15, 2014 M	Mar. 31, 2012 9.0% senior secured notes due 2017, net of original issuance discount Prior to January 15, 2013	Dec. 31, 2011 9.0% senior secured notes due 2017, net of original issuance discount Prior to January 15, 2013	Mar. 31, 2012 7.125% senior notes due 2013	Mar. 31, 2012 9.5% senior notes due 2014	Oct. 20, 2011 10.75% senior subordinated notes due 2016	Dec. 30, 2011 Other
Long-term debt
Interest rate (as a percent)					9.00%							7.125%	9.50%	10.75%
Total debt	$ 526,563,000	$ 497,464,000	$ 29,000,000		$ 497,563,000	$ 497,464,000
Less current portion	(29,000,000)
Long-term debt	497,563,000	497,464,000
Face amount of debt			300,000,000
Outstanding letters of credit	12,900,000	15,800,000
Outstanding letters of credit															18,000,000
Weighted average interest rate under the credit facility (as a percent)			4.80%	4.30%
Excess availability under the credit facility that, if less than, requires the entity to comply with a minimum fixed charge coverage ratio			45,000,000
Minimum fixed charge coverage ratio, numerator			1.10
Minimum fixed charge coverage ratio, denominator			1.00
Excess availability under the credit facility			284,200,000	258,100,000
Amount available under the credit facility that, if less than, would require the entity to make daily cash deposits			$ 60,000,000
Consecutive period of amount available under the credit facility that, if less than, would require the entity to make daily cash deposits (in days)			3
Redemption price as a percentage of the principal amount if the notes are redeemed							104.50%	100.00%	103.00%	109.00%
Period over which maximum percentage of the aggregate principal amount of notes may be redeemable prior to January 15, 2014 (in months)									12
Maximum percentage of the aggregate principal amount of notes redeemable prior to January 15, 2014									10.00%		35.00%