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Borrowings and Capital Lease Obligations (Details) - USD ($)			12 Months Ended
	Feb. 16, 2016	Jun. 23, 2015	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017	Feb. 03, 2019
Borrowings and capital lease obligations
Mortgage debt, maturing monthly through January 2026			$ 19,738,000	$ 20,323,000
Capital lease obligations			16,702,000	18,589,000
Other			2,887,000	3,129,000
Total debt and capital lease obligations			39,327,000	42,041,000
Less current installments			4,315,000	2,845,000
Long-term debt and capital lease obligations			35,012,000	39,196,000
Mortgage Debt
Mortgage debt, maturing monthly through January 2026			19,738,000	20,323,000
Debt issuance costs			78,000
Capital Lease Obligations
Capital lease obligations incurred			1,172,000	18,502,000	$ 0
Europe \| Foreign line of credit
Line of Credit Facility [Abstract]
Current borrowing capacity			144,000,000
Credit Facility, outstanding amount			$ 0
Europe \| Foreign line of credit \| Minimum
Line of Credit Facility [Abstract]
Interest rate (as a percent)			1.10%
Europe \| Foreign line of credit \| Maximum
Line of Credit Facility [Abstract]
Interest rate (as a percent)			4.60%
Cash flow hedges \| Interest rate swap \| Derivatives designated as hedging instruments
Mortgage Debt
Fixed rate of interest rate swap derivative (as a percent)			3.06%
Mortgage debt \| Building \| U.S.
Borrowings and capital lease obligations
Mortgage debt, maturing monthly through January 2026	$ 21,500,000.0		$ 19,700,000	20,300,000
Mortgage Debt
Debt maturity period (in years)	10 years
Mortgage debt, maturing monthly through January 2026	$ 21,500,000.0		19,700,000	20,300,000
Debt amortization period (in years)	25 years
Debt issuance costs			$ 100,000	100,000
Mortgage debt \| Building \| U.S. \| LIBOR
Mortgage Debt
Interest rate margin (as a percent)			1.50%
Mortgage debt \| Building \| U.S. \| Interest rate swap
Mortgage Debt
Fair value of cash flow hedge interest rate swap asset			$ 1,000,000	1,500,000
Mortgage debt \| Building \| Cash flow hedges \| U.S. \| Interest rate swap \| Derivatives designated as hedging instruments
Mortgage Debt
Fixed rate of interest rate swap derivative (as a percent)	3.06%
Capital lease obligation \| Computer hardware and software
Borrowings and capital lease obligations
Capital lease obligations			2,000,000	1,300,000
Capital Lease Obligations
Capital lease obligations incurred			1,200,000	1,500,000
Capital lease obligation \| Equipment \| Netherlands
Borrowings and capital lease obligations
Capital lease obligations			$ 14,700,000	17,300,000
Capital Lease Obligations
Capital lease obligations incurred				$ 17,000,000
Effective interest rate on capital lease obligation			6.00%
Credit Facility
Line of Credit Facility [Abstract]
Credit Facility, outstanding amount			$ 0
Percentage of borrowings exceeding borrowing base that require the Company to comply with a fixed charge coverage ratio on a trailing four-quarter basis			80.00%
Credit Facility \| Revolving Credit Facility
Mortgage Debt
Debt maturity period (in years)		5 years
Line of Credit Facility [Abstract]
Maximum borrowing capacity		$ 150,000,000
Current borrowing capacity			$ 127,000,000
Credit Facility \| Accordion feature
Line of Credit Facility [Abstract]
Maximum borrowing capacity		150,000,000
Credit Facility \| U.S. line of credit \| Base rate \| Minimum
Mortgage Debt
Interest rate margin (as a percent)			0.25%
Credit Facility \| U.S. line of credit \| Base rate \| Maximum
Mortgage Debt
Interest rate margin (as a percent)			0.75%
Credit Facility \| U.S. line of credit \| LIBOR
Line of Credit Facility [Abstract]
Interest rate margin added to respective base rate			1.00%
Credit Facility \| U.S. line of credit \| LIBOR \| Minimum
Mortgage Debt
Interest rate margin (as a percent)			1.25%
Credit Facility \| U.S. line of credit \| LIBOR \| Maximum
Mortgage Debt
Interest rate margin (as a percent)			1.75%
Credit Facility \| U.S. line of credit \| Federal funds rate
Line of Credit Facility [Abstract]
Interest rate margin added to respective base rate			0.50%
Credit Facility \| Standby letters of credit
Line of Credit Facility [Abstract]
Letters of credit outstanding			$ 2,000,000
Credit Facility \| Documentary letters of credit
Line of Credit Facility [Abstract]
Letters of credit outstanding			$ 0
Credit Facility \| Canada \| Foreign line of credit
Line of Credit Facility [Abstract]
Maximum borrowing capacity		$ 50,000,000
Credit Facility \| Canada \| Foreign line of credit \| Prime rate \| Minimum
Mortgage Debt
Interest rate margin (as a percent)			0.25%
Credit Facility \| Canada \| Foreign line of credit \| Prime rate \| Maximum
Mortgage Debt
Interest rate margin (as a percent)			0.75%
Credit Facility \| Canada \| Foreign line of credit \| Canadian BA rate
Line of Credit Facility [Abstract]
Interest rate margin added to respective base rate			1.00%
Credit Facility \| Canada \| Foreign line of credit \| Canadian BA rate \| Minimum
Mortgage Debt
Interest rate margin (as a percent)			1.25%
Credit Facility \| Canada \| Foreign line of credit \| Canadian BA rate \| Maximum
Mortgage Debt
Interest rate margin (as a percent)			1.75%
Credit Facility \| Canada \| Foreign line of credit \| Bank of Canada overnight rate
Line of Credit Facility [Abstract]
Interest rate margin added to respective base rate			0.50%
Multicurrency Borrowing Agreement \| Subsequent events
Line of Credit Facility [Abstract]
Maximum borrowing capacity						$ 20,000,000.0