Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 29, 2017	Apr. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Company's assets and liabilities measured at fair value on a nonrecurring basis
Total Losses	$ 58		$ 1,017	$ 177	$ 4,453
Fair Value Measurements Nonrecurring
Company's assets and liabilities measured at fair value on a nonrecurring basis
Long-Lived Assets Held and Used	0	$ 14		0
Total Losses	58	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	0		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	0		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	$ 0	$ 14		$ 0