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Loans, overdrafts and long-term debt - Loans, overdrafts and long-term debt (Details) - USD ($) $ in Millions | Oct. 31, 2020 | Feb. 01, 2020 | Nov. 02, 2019
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Gross debt | $ 1,041.2 | $ 613.1 | $ 795.5
Less: Current portion of loans and overdrafts | (3.6) | (95.6) | (5.0)
Less: Unamortized debt issuance costs | (1.4) | (1.6) | (1.7)
Total long-term debt | 1,036.2 | 515.9 | 788.8
Other loans and bank overdrafts |  |  |
Debt Instrument [Line Items] |  |  |
Gross debt | 3.6 | 95.6 | 5.0
Senior Unsecured Notes Due in 2024 | Senior Unsecured Notes |  |  |
Debt Instrument [Line Items] |  |  |
Gross debt | 147.6 | 147.5 | 147.5
Senior Asset-Based Credit Facility | Line of Credit | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Gross debt | 790.0 | 270.0 | 543.0
Senior Asset-Based Credit Facility | Line of Credit | Term Loan Facility |  |  |
Debt Instrument [Line Items] |  |  |
Gross debt | $ 100.0 | $ 100.0 | $ 100.0

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