Risk Management and Derivatives Risk Management and Derivatives (Schedule of all Purchase and Sale Contracts of a Foreign Currency) (Details) - Forward contracts - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Derivative [Line Items]
Derivative, Notional Amount	$ 33,929	$ 51,166
Euro
Derivative [Line Items]
Derivative, Notional Amount	13,383	21,223
U.S. Dollars (Purchased By The Company's Canadian Division with Canadian Dollars)
Derivative [Line Items]
Derivative, Notional Amount	15,196	16,874
Chinese yuan
Derivative [Line Items]
Derivative, Notional Amount	4,507	12,058
New Taiwanese dollars
Derivative [Line Items]
Derivative, Notional Amount	461	596
Other Currencies
Derivative [Line Items]
Derivative, Notional Amount	$ 382	$ 415