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Loans, overdrafts and long-term debt - Loans, overdrafts and long-term debt (Details) - USD ($) $ in Millions	May 02, 2020	Feb. 01, 2020	May 04, 2019
Debt Instrument [Line Items]
Gross debt	$ 1,359.7	$ 613.1	$ 687.8
Less: Current portion of loans and overdrafts	(22.2)	(95.6)	(43.7)
Less: Unamortized debt issuance costs	(1.5)	(1.6)	(5.1)
Total long-term debt	1,336.0	515.9	639.0
Other loans and bank overdrafts
Debt Instrument [Line Items]
Gross debt	22.2	95.6	2.7
Senior Unsecured Notes Due in 2024 | Senior Unsecured Notes
Debt Instrument [Line Items]
Gross debt	147.5	147.5	399.1
Senior Asset-Based Credit Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Gross debt	1,090.0	270.0	0.0
Senior Asset-Based Credit Facility | Line of Credit | Term Loan Facility
Debt Instrument [Line Items]
Gross debt	100.0	100.0	0.0
Credit Facility | Line of Credit | Term Loan Facility
Debt Instrument [Line Items]
Gross debt	$ 0.0	$ 0.0	$ 286.0

X

- Definition

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, 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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