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
	Apr. 29, 2017	Apr. 30, 2016
Net Sales
Derivative Instruments, Gain (Loss) [Line Items]
Loss (gain) recognized in OCL on derivatives	$ (32)	$ (164)
Gain (loss) reclassified from accumulated OCL into earnings	18	(36)
Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Loss (gain) recognized in OCL on derivatives	793	(113)
Gain (loss) reclassified from accumulated OCL into earnings	3	83
Selling and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
Loss (gain) recognized in OCL on derivatives	310	51
Gain (loss) reclassified from accumulated OCL into earnings	(67)	(170)
Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Loss (gain) recognized in OCL on derivatives	4	(38)
Gain (loss) reclassified from accumulated OCL into earnings	$ (1)	$ 0