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Restructuring Plans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Restructuring Plans (Details) - USD ($) $ in Thousands	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Adjustment to, and Payments for restructuring plan obligations
Balance at beginning of period		$ 1,677
Restructuring charges	$ 138	(97)	$ 180
Payments during the period		(726)
Balance at end of period		854
FY19 Plan
Adjustment to, and Payments for restructuring plan obligations
Balance at beginning of period		1,649
Restructuring charges		(97)
Payments during the period		(714)
Balance at end of period		838
Hi-Tec Plan
Adjustment to, and Payments for restructuring plan obligations
Balance at beginning of period		28
Payments during the period		(12)
Balance at end of period		$ 16