Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2017	May 01, 2016
Net income	$ 11,821	$ 6,887
Other comprehensive income, net:
Unrealized gain on convertible debt	750	0
Change in employee benefit plans	21	0
Other comprehensive income, net	901	1,976
Comprehensive income	12,722	8,863
Foreign Exchange Contract [Member]
Other comprehensive income, net:
Change in unrealized gain	183	1,891
Adjustment for net gains realized and included in net income	(53)	0
Interest Rate Cap [Member]
Other comprehensive income, net:
Change in unrealized gain	$ 0	$ 85

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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