Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Company's assets and liabilities measured at fair value on a nonrecurring basis
Total Losses	$ 119	$ 3,436
Fair Value Measurements Nonrecurring
Company's assets and liabilities measured at fair value on a nonrecurring basis
Long-Lived Assets Held and Used	14
Total Losses	119
Fair Value Measurements Nonrecurring | Level 1
Company's assets and liabilities measured at fair value on a nonrecurring basis
Long-Lived Assets Held and Used	0
Fair Value Measurements Nonrecurring | Level 2
Company's assets and liabilities measured at fair value on a nonrecurring basis
Long-Lived Assets Held and Used	0
Fair Value Measurements Nonrecurring | Level 3
Company's assets and liabilities measured at fair value on a nonrecurring basis
Long-Lived Assets Held and Used	$ 14