Components of Accumlated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 0	$ (15,977)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		167
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		1,049
Total other comprehensive (loss) income	0	1,216
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 0	$ (14,761)