Restatement of Previously Issued Financial Statements (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012		Jan. 29, 2011
Effect of Adjustment and corrections on Consolidated Statement of Comprehensive Income
Net income	$ 13,547	$ (1,659)	$ 2,306	$ 10,833	$ 5,893	$ (1,696)	$ 1,834	$ 13,900	$ 25,027	$ 19,931	[1]	$ 56,686	[1]
Other comprehensive loss, net of tax:
Change in post-retirement benefit obligations									950	(1,875)	[1]	(122)	[1]
Comprehensive income									25,977	18,056	[1]	56,564	[1]
As previously reported [Member]
Effect of Adjustment and corrections on Consolidated Statement of Comprehensive Income
Net income										19,828		48,753
Other comprehensive loss, net of tax:
Change in post-retirement benefit obligations										(1,875)		(122)
Comprehensive income										17,953		48,631
Adjustments [Member]
Effect of Adjustment and corrections on Consolidated Statement of Comprehensive Income
Net income					200					103		7,933
Other comprehensive loss, net of tax:
Comprehensive income										$ 103		$ 7,933

[1] (1) As described in Note 2 to these Consolidated Financial Statements, we have restated the Consolidated Financial Statements.