Segments and Disaggregated Revenue - Summary of Revenue by Product Category (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 496.9	$ 708.0	$ 1,071.3	$ 1,207.4
Sewing
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	226.7	372.2	485.0	646.6
Arts and Crafts and Home Décor
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	262.8	319.0	567.6	535.6
Other
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 7.4	$ 16.8	$ 18.7	$ 25.2