Risk Management and Derivatives Risk Management and Derivatives (Schedule of all Purchase and Sale Contracts of a Foreign Currency) - Forward contracts - USD ($) $ in Thousands	Feb. 03, 2018	Jan. 28, 2017
Derivative [Line Items]
Derivative, Notional Amount	$ 51,166	$ 42,088
Euro
Derivative [Line Items]
Derivative, Notional Amount	21,223	13,297
U.S. Dollars (Purchased By The Company's Canadian Division with Canadian Dollars)
Derivative [Line Items]
Derivative, Notional Amount	16,874	18,826
Chinese yuan
Derivative [Line Items]
Derivative, Notional Amount	12,058	7,723
New Taiwanese dollars
Derivative [Line Items]
Derivative, Notional Amount	596	526
United Arab Emirates dirham
Derivative [Line Items]
Derivative, Notional Amount	0	823
Japanese yen
Derivative [Line Items]
Derivative, Notional Amount	0	769
Other Currencies
Derivative [Line Items]
Derivative, Notional Amount	$ 415	$ 124