Asset Impairments and Other Charges and Discontinued Operations - Accrued Provision For Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Feb. 02, 2019
Accrued Provision for Discontinued Operations
Additional provision	$ 107	$ 178	$ 487	$ 455
Current provision for discontinued operations	0	100,598	0	100,598	$ 0
Total Noncurrent Provision for Discontinued Operations	0	$ 24,680	0	24,680	0
Facility Shutdown Costs
Accrued Provision for Discontinued Operations
Balance at beginning of period			2,399	$ 3,609	3,609
Additional provision			487		743
Charges and adjustments, net			(552)		(1,953)
Balance at end of period	2,334		2,334		$ 2,399
Current provision for discontinued operations	488		488
Total Noncurrent Provision for Discontinued Operations	$ 1,846		1,846
Environmental provision for discontinued operations			1,700
Current environmental provision for discontinued operations			$ 500