Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member] Successor [Member]	Common Stock [Member] Predecessor [Member] USD ($)	Additional Paid-In Capital [Member] Successor [Member] USD ($)	Additional Paid-In Capital [Member] Predecessor [Member] USD ($)	Investment In Parent Notes [Member] Successor [Member] USD ($)	Accumulated Deficit [Member] Successor [Member] USD ($)	Accumulated Deficit [Member] Predecessor [Member] USD ($)	Successor [Member] USD ($)	Predecessor [Member] USD ($)
Balance at Jan. 26, 2009		$ 546		$ 276,068			$ (82,338)		$ 194,276
Balance, shares at Jan. 26, 2009		54,652,983
Cash dividends declared							(13,142)		(13,142)
Issuance of restricted stock awards, net of forfeitures		7		(7)
Issuance of restricted stock awards, net of forfeitures, shares		637,719
Exercise of stock options		2		836					838
Exercise of stock options, shares		190,986
Net tax deficiency from exercise of stock options and vesting of restricted stock awards				(391)					(391)
Share-based compensation expense				8,120					8,120
Repurchase and retirement of common stock		(2)		(1,722)					(1,724)
Repurchase and retirement of common stock, shares		(191,062)
Net income/(loss)							48,198		48,198
Balance at Jan. 25, 2010		553		282,904			(47,282)		236,175
Balance, shares at Jan. 25, 2010		55,290,626
Forfeitures of restricted stock awards		(1)		1
Forfeitures of restricted stock awards, shares		(78,484)
Exercise of stock options		2		1,061					1,063
Exercise of stock options, shares		154,317
Share-based compensation expense				4,710					4,710
Repurchase and retirement of common stock		(2)		(2,070)					(2,072)
Repurchase and retirement of common stock, shares		(178,800)
Net income/(loss)							(7,515)		(7,515)
Balance at Jul. 12, 2010		552		286,606			(54,797)		232,361
Balance, shares at Jul. 12, 2010		55,187,659
Equity contribution			450,000					450,000
Equity contribution, shares	100
Share-based compensation expense			2,659					2,659
Net income/(loss)						(27,890)		(27,890)
Balance at Jan. 31, 2011			452,659			(27,890)		424,769
Balance, shares at Jan. 31, 2011	100
Share-based compensation expense			4,593					4,593
Investment in Parent Notes					(8,362)			(8,362)
Net income/(loss)						(6,261)		(6,261)
Balance at Jan. 30, 2012			$ 457,252		$ (8,362)	$ (34,151)		$ 414,739
Balance, shares at Jan. 30, 2012	100