Debt - Summary of Debt (Details) - USD ($) $ in Millions	Jul. 31, 2021	May 01, 2021
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (1.4)	$ (1.5)
Total debt	235.4	240.1
Less: current maturities	(14.8)	(14.9)
Long-term debt	220.6	225.2
Line of credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt	8.7	9.9
Term loan
Debt Instrument [Line Items]
Debt	215.6	218.7
Other Debt
Debt Instrument [Line Items]
Debt	12.5	$ 13.0
Less: current maturities	$ (2.3)

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 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 current. 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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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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