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Inventories (Schedule of Inventories) (Details) - USD ($)
$ in Thousands
Apr. 29, 2017
Jan. 28, 2017
Apr. 30, 2016
Inventory [Line Items]      
Raw materials $ 15,114 $ 15,378 $ 771
Work-in-process 863 1,093 0
Finished goods 549,074 569,293 487,105
Inventories, net $ 565,051 $ 585,764 $ 487,876