Subsequent Event (Details) (Abl Credit Facility [Member], Line of Credit [Member], USD $) In Millions, unless otherwise specified			0 Months Ended		0 Months Ended		0 Months Ended
	Mar. 25, 2013 Subsequent Event [Member]	Dec. 31, 2012 Subsequent Event [Member]	Mar. 18, 2011 Maximum [Member]	Dec. 31, 2012 Maximum [Member]	Mar. 25, 2013 Maximum [Member] Subsequent Event [Member]	Dec. 31, 2012 Maximum [Member] Subsequent Event [Member]	Mar. 18, 2011 Minimum [Member]	Mar. 25, 2013 Minimum [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Minimum excess availability reserve	$ 1.0
Percent of outstanding borrowings		20.00%
Excess availability threshold percentage that triggers a minimum consolidated fixed charge coverage ratio	12.50%		15.00%	15.00%		15.00%
Amended excess availability threshold percenatge that triggers a minimum consolidated fixed charge coverage ratio	12.50%							12.50%
Debt convenant, required fixed charge coverage ratio when excess availability is less than 15%			1.00		1.00		1.15	1.15