Other Charges, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017
Other Charges Net Related To Proxy Solicitation And Proposed Merger And Management And Organizational Changes [Line Items]
Charges related to proxy solicitation	$ 83		$ 2,224
Charges related to Merger		$ 464		$ 1,113
Charges related to management and organizational changes	$ 1,742	$ 2,636	$ 2,674	$ 2,633
Orchestra-Premaman S.A., and Certain Other Affiliates of Orchestra
Other Charges Net Related To Proxy Solicitation And Proposed Merger And Management And Organizational Changes [Line Items]
Termination agreement entry date			Jul. 27, 2017