Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Apr. 29, 2018	Apr. 30, 2017
Net income	$ 12,382	$ 11,821
Other comprehensive income, net:
Unrealized gain on convertible debt	0	750
Change in employee benefit plans	(16)	21
Other comprehensive income, net	31	901
Comprehensive income	12,413	12,722
Foreign Exchange Contract [Member]
Other comprehensive income, net:
Unrealized (loss) gain	47	183
Realized gain on foreign currency cash flow hedges	$ 0	$ (53)

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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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification.

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