Risk Management and Derivatives (Schedule of Effect of Derivative Instruments in Cash Flow Hedging Relationships on the Condensed Consolidated Statements of Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Net Sales
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	$ (8)	$ (25)	$ (40)	$ (189)
Gain (loss) reclassified from accumulated OCL into earnings	6	(36)	24	(72)
Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	(55)	(472)	737	(585)
Gain (loss) reclassified from accumulated OCL into earnings	158	33	161	116
Selling and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	(194)	(75)	117	(24)
Gain (loss) reclassified from accumulated OCL into earnings	0	(187)	(67)	(357)
Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	(14)	14	(10)	(24)
Gain (loss) reclassified from accumulated OCL into earnings	$ 0	$ 0	$ (1)	$ 0