Other Non-current Assets - Investments in Joint Ventures (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 31, 2022	Aug. 31, 2021
Investments in Joint Ventures
Loss from joint ventures	$ (0.6)	$ (0.2)
Owned Through Joint Ventures \| Joint venture in India
Investments in Joint Ventures
Investments in joint ventures	$ 11.3
Membership interest in joint ventures (as a percent)	40.00%
Amount of guarantee liability recognized	$ 8.8
Percentage on outstanding debt	40.00%
Loan to joint venture	$ 3.2
Loss from joint ventures	$ 0.2	$ 0.0

Fair value of guarantee obligation recorded as current liability.

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Percentage of guarantee on outstanding debt.

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The amount of loan outstanding to the joint venture.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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