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		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Net Sales
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	$ (4)	$ 16	$ (44)	$ (173)
Gain (loss) reclassified from accumulated OCL into earnings	6	(55)	30	(127)
Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	(42)	(181)	695	(766)
Gain (loss) reclassified from accumulated OCL into earnings	3	(8)	164	109
Selling and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	364	(97)	480	(121)
Gain (loss) reclassified from accumulated OCL into earnings	109	(15)	42	(373)
Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCL on derivatives	6	5	(4)	(19)
Gain (loss) reclassified from accumulated OCL into earnings	$ 0	$ (1)	$ (1)	$ (1)