Long-Term Debt (Details 2) (USD $) In Thousands, unless otherwise specified	9 Months Ended	1 Months Ended			9 Months Ended
	Jan. 27, 2013	Aug. 31, 2012 8.875% Senior Subordinated Notes, interest payable semi-annually June 15 and December 15	Jan. 27, 2013 8.875% Senior Subordinated Notes, interest payable semi-annually June 15 and December 15	Aug. 07, 2012 8.875% Senior Subordinated Notes, interest payable semi-annually June 15 and December 15	Jan. 27, 2013 7% Senior subordinated notes	Apr. 29, 2012 7% Senior subordinated notes
Long-Term Debt
Face amount of debt				$ 350,000
Interest rate (as a percent)			8.875%	8.875%	7.00%	7.00%
Net proceeds from issuance of New Subordinated Notes after deducting underwriting fees		343,000
Notes repurchased and retired					357,275
Expenses related to the write-off of deferred financing costs, issuance costs and other related fees	2,500
Non-cash charges included in write-off of deferred financing costs, issuance costs and other related fees	$ 1,000