Stock Based Compensation Additional - (Details) (USD $)	9 Months Ended		3 Months Ended		12 Months Ended	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013 Restricted Stock Class A Common Stock	Oct. 27, 2012 Restricted Stock Class A Common Stock	Feb. 02, 2013 Restricted Stock Class A Common Stock	Nov. 02, 2013 Stock Options Class A Common Stock	Oct. 27, 2012 Stock Options Class A Common Stock	Nov. 02, 2013 Stock Options Class A Common Stock	Oct. 27, 2012 Stock Options Class A Common Stock	Nov. 02, 2013 Employee Stock Purchase Plan Class A Common Stock	Oct. 27, 2012 Employee Stock Purchase Plan Class A Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense			$ 9,100,000	$ 7,000,000	$ 6,400,000
Remaining Weighted-Average Vesting Period			2 years 9 months 18 days	2 years 6 months 0 days	2 years 3 months 18 days
Shares Sold										18,811	21,463
Compensation Expense	2,187,000	2,029,000	739,000	631,000		4,000	0	9,000	0	68,000	82,000
Intrinsic Value						$ 4,000	$ 23,000	$ 32,000	$ 73,000
Options Granted							0	20,127	0
Employee Stock Purchase Plan Share Purchase Discount										$ 3.63	$ 3.81