Consolidated Condensed Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Aug. 31, 2021	Aug. 31, 2020
Statement of Comprehensive Income [Abstract]
Change in fair value of interest rate lock agreements, tax (benefit) expense	$ (12,554)	$ 3,672
Amortization of interest rate lock agreements, tax benefit	148	116
Other comprehensive income (loss), tax (benefit) expense	$ (12,406)	$ 3,788

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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124509347&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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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