Accounts receivable - Portfolio of Accounts Receivable (Details) - USD ($) $ in Millions	Oct. 31, 2020	Feb. 01, 2020	Nov. 02, 2019
Receivables [Abstract]
Customer in-house finance receivables, net	$ 39.6	$ 0.0	$ 0.0
Accounts receivable, trade	13.2	34.4	16.4
Accounts receivable, held for sale	5.5	4.4	4.4
Accounts receivable, net	$ 58.3	$ 38.8	$ 20.8

Amount, after allowance for credit loss, of accounts and financing receivables, classified as current. Includes, but is not limited to, notes and loan receivable.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable.

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Amount, before valuation allowance, of accounts and financing receivables held for sale.

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