Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 29, 2017	Oct. 30, 2016
Net income	$ 13,338	$ 30,776	$ 37,723	$ 46,642
Other comprehensive income, net:
Unrealized gain on convertible debt	0	0	750	0
Release of realized gain on convertible debt	0	0	(750)	0
Change in employee benefit plans	22	(3,429)	65	(3,429)
Other changes to comprehensive income	0	129	0	129
Other comprehensive (loss) income, net	(631)	(3,847)	158	(3,477)
Comprehensive income	12,707	26,929	37,881	43,165
Foreign Exchange Contract [Member]
Other comprehensive income, net:
Unrealized (loss) gain	(144)	(422)	865	321
Realized gain on foreign currency cash flow hedges	(509)	(88)	(772)	(546)
Interest Rate Cap [Member]
Other comprehensive income, net:
Unrealized (loss) gain	$ 0	$ (37)	$ 0	$ 48