Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Jan. 29, 2022	Apr. 30, 2021	Jan. 30, 2021
Debt Instrument [Line Items]
Less: Senior Notes unamortized debt financing costs	$ 0.0		$ (0.5)
Total debt, net	44.6		362.7
Less: short-term debt and current portion of long-term debt	(4.1)		(146.7)
Long-term debt, net	40.5		216.0
Revolving credit facility due 2022 \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Long-term line of credit	0.0		25.0
French Term Loans \| Unsecured Debt
Debt Instrument [Line Items]
Term loans	44.6		$ 48.6
6.75% Senior Notes due 2021 \| Senior Notes
Debt Instrument [Line Items]
Interest rate			6.75%
Principal amount	0.0		$ 73.2
10.00% Senior Notes due 2023 \| Senior Notes
Debt Instrument [Line Items]
Interest rate		10.00%	10.00%
Principal amount	$ 0.0	$ 216.4	$ 216.4

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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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Sum of the carrying values as of the balance sheet date of the portions of all long-term notes and loans payable due within one year or the operating cycle if longer.

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