Financing Transactions, Line of Credit and Note Payable (Financing Transactions) (Details) - USD ($)			12 Months Ended
	Oct. 26, 2012	Jul. 27, 2012	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	May. 16, 2012
Debt Instrument [Line Items]
Dividends					$ 99,451,000
Repayment of Term Loan Facility			$ 0	$ 19,500,000	15,000,000
Interest expense			(40,000)	125,000	1,513,000
Amortization of deferred financing costs			27,000	25,000	251,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Borrowing under term loan facility						$ 100,000,000
Interest expense		$ 700,000
Repayment of Term Loan Facility	$ 300,000	$ 65,300,000		19,500,000	15,000,000
Write off of deferred debt issuance cost				200,000	$ 300,000
Deferred financing costs			$ 0	$ 100,000