Consolidated Condensed Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Statement of Comprehensive Income [Abstract]
Change in fair value of interest rate lock agreements, tax expense (benefit)	$ 2,531	$ 3,744	$ 2,851	$ (8,810)
Amortization of interest rate lock agreements, tax expense	513	148	1,025	296
Other comprehensive income (loss), tax expense (benefit)	$ 3,044	$ 3,876	$ 3,892	$ (8,514)

Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e640-108580

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Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 20
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-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(3)
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