Amount of debt and lease obligation, classified as current.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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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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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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No definition available.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Debt instrument interest rate floor.

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No definition available.

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Debt - Summary of Debt Outstanding (Detail) - USD ($) $ in Millions	9 Months Ended
	Feb. 28, 2026	May 31, 2025	Dec. 17, 2024
Long-term debt:
Total	$ 58.7	$ 2.3
Less: current maturities of long-term debt	27.1	0.0
Long-term debt, net of current maturities	31.6	2.3
Short-term borrowings and current maturities:
Total short-term borrowings and current maturities	219.8	149.2
Total Debt	251.4	151.5
FED DEV Loan
Long-term debt:
Rate			0.00%
Long-term debt, net of current maturities	2.3	2.3
FED DEV Loan \| Unsecured
Long-term debt:
Total	$ 2.3	2.3
Maturity	Mar. 31, 2032
BDC Loan \| Secured
Long-term debt:
Total	$ 21.8
Maturity	Jun. 30, 2051
AMIC Loan \| Unsecured
Long-term debt:
Total	$ 1.8
Maturity	May 31, 2032
AMIC Loan \| Unsecured \| Minimum
Long-term debt:
Rate	0.00%
AMIC Loan \| Unsecured \| Maximum
Long-term debt:
Rate	5.97%
Sitem Group Term Loan 2 \| Unsecured
Long-term debt:
Total	$ 1.0
Rate	1.50%
Maturity	Mar. 31, 2027
Sitem Group Term Loan 3 \| Secured
Long-term debt:
Total	$ 4.1
Rate	1.94%
Maturity	Sep. 30, 2030
Sitem Group Term Loan 4 \| Unsecured
Long-term debt:
Total	$ 0.5
Rate	0.36%
Maturity	Feb. 28, 2029
Sitem Group Term Loan 6 \| Unsecured
Long-term debt:
Total	$ 0.7
Rate	0.55%
Maturity	Dec. 31, 2028
Sitem Group Term Loan 8 \| Secured
Long-term debt:
Total	$ 0.5
Maturity	May 31, 2026
Sitem Group Term Loan 10 \| Secured
Long-term debt:
Total	$ 0.3
Maturity	Sep. 30, 2026
Sitem Group Term Loan 11 \| Unsecured
Long-term debt:
Total	$ 3.5
Maturity	Mar. 31, 2028
Sitem Group Term Loan 13 \| Secured
Long-term debt:
Total	$ 0.1
Rate	0.90%
Maturity	Oct. 31, 2026
Standstill Agreement - Sitem Group \| Secured
Long-term debt:
Total	$ 22.1
Maturity	Jun. 30, 2026
BDC Floating Base Rate \| BDC Loan \| Secured
Long-term debt:
Rate	1.75%
Euribor 3m/360 \| Sitem Group Term Loan 10 \| Secured
Long-term debt:
Rate	1.20%
Euribor 3m/360 \| Sitem Group Term Loan 11 \| Unsecured
Long-term debt:
Rate	1.65%
Euribor 1m/360 \| Sitem Group Term Loan 8 \| Secured
Long-term debt:
Rate	1.65%
SARON \| Standstill Agreement - Sitem Group \| Secured
Long-term debt:
Rate	0.00%
Rate	5.00%
Revolving Credit Facility
Short-term borrowings and current maturities:
Total short-term borrowings and current maturities	$ 192.7	$ 149.2
Revolving Credit Facility \| Secured
Long-term debt:
Maturity	Nov. 30, 2028