Debt, Derivatives and Hedging Activities (Tables)

6 Months Ended

Nov. 30, 2025

Debt Disclosure [Abstract]

Schedule of Outstanding Debt

Cintas' outstanding debt is summarized as follows:

(In thousands)	Interest  Rate			Fiscal Year Issued	Fiscal Year Maturity	November 30, 2025		May 31, 2025
Debt due within one year
Commercial paper	4.09	%	(1)	2026	2026	$	550,750	$	—
Total debt due within one year						$	550,750	$	—
Debt due after one year
Senior notes	3.70	%		2017	2027	$	1,000,000	$	1,000,000
Senior notes	4.20	%		2025	2028	400,000		400,000
Senior notes	4.00	%		2022	2032	800,000		800,000
Senior notes	6.15	%		2007	2037	236,550		236,550
Debt issuance costs						(10,021)		(11,551)
Total debt due after one year						$	2,426,529	$	2,424,999

(1)Variable rate debt instrument. The rate presented is the weighted average variable borrowing rate at November 30, 2025.

Schedule of Interest Rate Lock Agreements

The fair values of the outstanding interest rate locks, for forecasted debt issuances, are summarized as follows:

Fiscal Year of Issuance (In thousands)	November 30, 2025		May 31, 2025
	Other Assets, net		Other Assets, net
2022	$	58,335	$	61,230
2020	$	37,589	$	41,320