Earnings Per Share (Tables)

6 Months Ended

Nov. 30, 2025

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

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:

	Three Months Ended				Six Months Ended
Basic Earnings per Share (In thousands except per share data)	November 30, 2025		November 30, 2024		November 30, 2025		November 30, 2024
Net income	$	495,343	$	448,495	$	986,483	$	900,528
Less: net income allocated to participating securities	1,606		1,585		3,186		3,182
Net income available to common shareholders	$	493,737	$	446,910	$	983,297	$	897,346
Basic weighted average common shares outstanding	401,484		403,581		402,391		403,489
Basic earnings per share	$	1.23	$	1.11	$	2.44	$	2.22

	Three Months Ended				Six Months Ended
Diluted Earnings per Share (In thousands except per share data)	November 30, 2025		November 30, 2024		November 30, 2025		November 30, 2024
Net income	$	495,343	$	448,495	$	986,483	$	900,528
Less: net income allocated to participating securities	1,606		1,585		3,186		3,182
Net income available to common shareholders	$	493,737	$	446,910	$	983,297	$	897,346
Basic weighted average common shares outstanding	401,484		403,581		402,391		403,489
Effect of dilutive securities – employee stock options	4,949		7,086		5,483		7,124
Diluted weighted average common shares outstanding	406,433		410,667		407,874		410,613
Diluted earnings per share	$	1.21	$	1.09	$	2.41	$	2.19

Schedule of Buyback Activity by Program

The following table summarizes the share buyback activity by program and period:

	Three Months Ended					Six Months Ended
	November 30, 2025					November 30, 2025
Buyback Activity (In thousands except per share data)	Shares	Avg. Price per Share		Purchase Price		Shares	Avg. Price per Share		Purchase Price
July 26, 2022	569	$	199.39	$	113,550	1,272	$	207.13	$	263,564
July 23, 2024	2,668	189.37		505,209		2,668	189.37		505,209
October 28, 2025	—	—		—		—	—		—
	3,237	$	191.13	$	618,759	3,940	$	195.10	$	768,773
Shares acquired for taxes due (1)	88	$	191.35	$	16,811	608	$	218.46	$	132,894
Total repurchase of Cintas common stock				$	635,570				$	901,667
	Three Months Ended					Six Months Ended
	November 30, 2024					November 30, 2024
Buyback Activity (In thousands except per share data)	Shares	Avg. Price per Share		Purchase Price		Shares	Avg. Price per Share		Purchase Price
July 26, 2022	—	$	—	$	—	2,732	$	173.40	$	473,617
July 23, 2024	—	—		—		—	—		—
	—	$	—	$	—	2,732	$	173.40	$	473,617
Shares acquired for taxes due (1)	174	$	211.44	$	36,716	918	$	193.79	$	177,901
Total repurchase of Cintas common stock				$	36,716				$	651,518

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

The following table summarizes Cintas' non-cash share buyback activity:

	Three Months Ended					Six Months Ended
	November 30, 2025					November 30, 2025
(In thousands except per share data)	Shares	Avg. Price per Share		Non-Cash Value		Shares	Avg. Price per Share		Non-Cash Value
Non-cash transaction activity	90	$	190.66	$	17,070	394	$	215.11	$	84,651
	Three Months Ended					Six Months Ended
	November 30, 2024					November 30, 2024
	Shares	Avg. Price per Share		Non-Cash Value		Shares	Avg. Price per Share		Non-Cash Value
Non-cash transaction activity	122	$	210.76	$	25,829	529	$	193.79	$	102,653