Long-Term Debt and Credit Arrangements - Schedule of Net Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 28, 2017	Jan. 27, 2017	Jul. 29, 2016
Debt Instrument [Line Items]
Capitalized interest	$ (8)		$ (198)
Total interest expense on outstanding borrowings	531		2,163
Accretion on note receivable	0		(558)
Other	(71)		(118)
Total interest income	(71)		(676)
Net interest expense from continuing operations	460		1,487
Mimi's Cafe
Debt Instrument [Line Items]
Sale note receivable		$ 30,000
Variable-rate debt
Debt Instrument [Line Items]
Interest expense, debt	447		1,965
Fixed-rate debt
Debt Instrument [Line Items]
Interest expense, debt	$ 92		$ 396