Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Feb. 28, 2026	Nov. 30, 2025	Aug. 31, 2025	Feb. 28, 2025	Nov. 30, 2024	Aug. 31, 2024	Feb. 28, 2026	Feb. 28, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 28,212			$ 24,764			$ 80,449	$ 77,048
Income taxes	(130,001)			(122,941)			(367,929)	(324,762)
Net income	502,496	$ 495,343	$ 491,140	463,497	$ 448,495	$ 452,033	1,488,979	1,364,025
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) \| Unrealized Income on Interest Rate Locks
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	2,036			2,036			6,108	6,108
Income taxes	(513)			(513)			(1,539)	(1,539)
Net income	$ 1,523			$ 1,523			$ 4,569	$ 4,569

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details