Loans, overdrafts and long-term debt - Summary (Details) - USD ($) $ in Millions	Jan. 30, 2021	Feb. 01, 2020
Debt Instrument [Line Items]
Total debt	$ 147.6	$ 613.1
Less: Current portion of loans and overdrafts	0.0	(95.6)
Less: Unamortized capitalized debt issuance fees	(0.9)	(1.6)
Total long-term debt	146.7	515.9
Other loans and bank overdrafts
Debt Instrument [Line Items]
Total debt	0.0	95.6
Senior Notes, net of unamortized discount \| Senior Unsecured Notes
Debt Instrument [Line Items]
Total debt	147.6	147.5
Revolving Credit Facility \| Senior Asset-Based Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Total debt	0.0	270.0
Term Loan Facility \| Senior Asset-Based Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Total debt	$ 0.0	$ 100.0

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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