Earnings per Share (Tables)

12 Months Ended

May 31, 2025

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share For Continuing Operations

The following tables set forth the computation of basic and diluted earnings per share using the two-class method for amounts attributable to Cintas' common shares for the fiscal years ended May 31:

Basic Earnings per Share (In thousands except per share data)	2025		2024		2023
Net income	$	1,812,281	$	1,571,592	$	1,348,010
Less: net income allocated to participating securities	6,351		5,928		5,463
Net income available to common shareholders	$	1,805,930	$	1,565,664	$	1,342,547
Basic weighted average common shares outstanding	403,530		406,612		406,580
Basic earnings per share	$	4.48	$	3.85	$	3.30

Diluted Earnings per Share (In thousands except per share data)	2025		2024		2023
Net income	$	1,812,281	$	1,571,592	$	1,348,010
Less: net income allocated to participating securities	6,351		5,928		5,463
Net income available to common shareholders	$	1,805,930	$	1,565,664	$	1,342,547
Basic weighted average common shares outstanding	403,530		406,612		406,580
Effect of dilutive securities – employee stock options	6,756		6,856		6,928
Diluted weighted average common shares outstanding	410,286		413,468		413,508
Diluted earnings per share	$	4.40	$	3.79	$	3.25

Schedule of Buyback Activity by Program

The following table summarizes the buyback activity by program and fiscal years ended May 31:

	2025					2024					2023
Buyback Program (In thousands except    per share data)	Shares	Average Price per Share		Purchase Price		Shares	Average Price per Share		Purchase Price		Shares	Average Price per Share		Purchase Price
July 27, 2021	—	$	—	$	—	3,425	$	133.80	$	458,284	2,201	$	99.17	$	218,288
July 26, 2022	3,794	179.07		679,329		339	168.44		57,104		—	—		—
July 23, 2024	—	—		—		—	—		—		—	—		—
	3,794	$	179.07	$	679,329	3,764	$	136.92	$	515,388	2,201	$	99.17	$	218,288
Shares acquired for   taxes due (1)	1,297	$	196.87	$	255,471	1,325	$	139.34	$	184,645	1,719	$	105.05	$	180,577
Total repurchase of Cintas common stock				$	934,800				$	700,033				$	398,865

(1) Shares of Cintas stock acquired for employee-partner payroll taxes due on options exercised and vested restricted stock awards.

The following table summarizes Cintas' non-cash share buyback activity for the fiscal years ended May 31:

	2025					2024					2023
Buyback Program (In thousands except per share data)	Shares	Average Price per Share		Non-Cash Value		Shares	Average Price per Share		Non-Cash Value		Shares	Average Price per Share		Non-Cash Value
Non-cash transaction activity	808	$	196.93	$	158,953	1,133	$	137.18	$	155,403	1,440	$	106.21	$	152,983