Revenue Recognition Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	May 02, 2020
Revenue from Contract with Customer [Abstract]
Contract assets	$ 26,707	$ 35,467
Contract liabilities - current	47,107	50,897
Contract liabilities - noncurrent	10,741	$ 10,707
Dollar Change
Contract assets	(8,760)
Contract liabilities - current	(3,790)
Contract liabilities - noncurrent	$ 34
Change in Contract with Customer, Asset and Liability, Percentage [Abstract]
Contract assets percent change	(24.70%)
Contract liabilities, current, percent change	(7.40%)
Contract liabilities, noncurrent, percent change	0.30%
Revenue recognized related to contract liability	$ 37,973