Stock-Based Compensation (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended					3 Months Ended		6 Months Ended					3 Months Ended		6 Months Ended						3 Months Ended		6 Months Ended				3 Months Ended	6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012 Fiscal 2015 [Member]	Jul. 28, 2012 Maximum [Member]	Jul. 30, 2011 Maximum [Member]	Jul. 28, 2012 Minimum [Member]	Jul. 30, 2011 Minimum [Member]	Jul. 28, 2012 Minimum [Member]	Jul. 30, 2011 Minimum [Member]	Jul. 28, 2012 Common Stock Class A [Member]	May 19, 2010 Common Stock Class A [Member] 2005 Plan [Member]	Jul. 20, 2005 Common Stock Class A [Member] 2005 Plan [Member]	Jul. 28, 2012 Restricted Stock [Member]	Jul. 30, 2011 Restricted Stock [Member]	Jul. 28, 2012 Restricted Stock [Member]	Jul. 30, 2011 Restricted Stock [Member]	Jul. 28, 2012 Restricted Stock [Member] 2005 Plan [Member]	Jul. 30, 2011 Restricted Stock [Member] 2005 Plan [Member]	Jul. 28, 2012 Restricted Stock [Member] Maximum [Member] 2005 Plan [Member]	Jul. 28, 2012 Restricted Stock [Member] Minimum [Member] 2005 Plan [Member]	Jul. 28, 2012 Performance Shares [Member]	Jul. 30, 2011 Performance Shares [Member]	Jul. 28, 2012 Performance Shares [Member]	Jul. 30, 2011 Performance Shares [Member]	Jul. 30, 2011 Performance Shares [Member] 2005 Plan [Member]	Jul. 28, 2012 Nonvested Restricted Common Stock and Performance Shares [Member]	Jul. 28, 2012 Stock Option [Member]	Jul. 28, 2012 Stock Option [Member]
Stock Based Compensation (Textual) [Abstract]
Issuance of incentive awards of Common Stock													17,500,000	12,500,000
Aggregate common stock issued												22,669,528
Outstanding options vesting period						5 years				3 years
Outstanding options vesting period expiry						10 years				5 years
Impact on basic and diluted earnings per share			$ 0.01					$ 0.01	$ 0.01		$ 0.01
Total intrinsic value for options exercised		$ 0.3	$ 0.1	$ 0.3
Cash received from option exercises						0.1	0.5
Vesting period of employees restricted common stock																					3 years 6 months	1 year
Shares granted																			174,580	430,635							400,000
Restricted common stock granted, weighted average grant date fair value per share																	$ 3.58	$ 3.87
Compensation Expenses	0.6	0.2	0.9	0.4											0.9	0.4	1.3	0.7						0.5		0.9
Compensation benefit																							0.5		0.2
Unrecognized Compensation expenses	1.4		1.4												1.3		1.3						0.4		0.4			1.7
Average Period of recognition for unrecognized Compensation expenses					1 year 10 months 24 days																							1 year 2 months 12 days
Vested , Weighted Average Grant Date Fair Value																										$ 3.08
Fair value of restricted common stock and performance shares																												1.9
Potential Vesting Acceleration															$ 0.6		$ 0.6												$ 0.4	$ 0.4
Stock Based Compensation (Additional Textual) [Abstract]
Shares available for future grants	3,974,001		3,974,001
Weighted average grant date fair value	$ 0.98	$ 1.69	$ 1.10	$ 1.60