Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
May 02, 2020	Feb. 01, 2020	Oct. 31, 2020	Jan. 28, 2017
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill impairment charges	$ 5,400	$ 4,100
Goodwill	$ 6,800	$ 12,152	$ 6,752	$ 16,300

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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