Goodwill, Service Contracts and Other Assets, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 31, 2025	Aug. 31, 2024
Goodwill, Service Contracts And Other Assets [Abstract]
Amortization expense for service contracts and other assets	$ 42.2	$ 40.7

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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