Commitments and Contingencies (Details) $ in Thousands	9 Months Ended
	Oct. 28, 2017 USD ($)	Nov. 03, 2018 USD ($)
Business Combination Contingent Consideration Liability [Roll Forward]
Contingent consideration liability - beginning of period	$ 33,204
Accretion in value	3,506
Fair value adjustment	(32,432)
Other adjustments	684
Contingent consideration liability - end of period	$ 4,962
Contractual Obligations [Abstract]
Purchase commitment, remaining minimum amount committed		$ 300
Unrecorded unconditional purchase obligation, due within five years		$ 17,300
Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration liability, measurement input		0.130