Earnings per Share (Tables)

12 Months Ended

May 31, 2021

Earnings Per Share [Abstract]

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 from continuing operations using the two-class method for amounts attributable to Cintas' common shares for the fiscal years ended May 31:

Basic Earnings per Share from Continuing Operations (In thousands except per share data)	2021		2020		2019
Income from continuing operations	$	1,110,968	$	876,360	$	882,635
Less: income from continuing operations allocated to     participating securities	7,623		8,158		9,568
Income from continuing operations available to common    shareholders	$	1,103,345	$	868,202	$	873,067
Basic weighted average common shares outstanding	104,874		103,816		106,080
Basic earnings per share from continuing operations	$	10.52	$	8.36	$	8.23

Diluted Earnings per Share from Continuing Operations (In thousands except per share data)	2021		2020		2019
Income from continuing operations	$	1,110,968	$	876,360	$	882,635
Less: income from continuing operations allocated to    participating securities	7,623		8,158		9,568
Income from continuing operations available to common    shareholders	$	1,103,345	$	868,202	$	873,067
Basic weighted average common shares outstanding	104,874		103,816		106,080
Effect of dilutive securities – employee stock options	2,833		3,196		3,415
Diluted weighted average common shares outstanding	107,707		107,012		109,495
Diluted earnings per share from continuing operations	$	10.24	$	8.11	$	7.97

Summary of Buyback Activity by Program

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

	2021					2020					2019
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
August 2, 2016	—	$	—	$	—	—	$	—	$	—	2,130	$	192.55	$	410,003
October 30, 2018	190	$	319.88	$	60,877	1,607	$	246.19	$	395,681	2,673	$	203.30	$	543,442
October 29, 2019	1,196	$	350.31	$	418,779	—	$	—	$	—	—	$	—	$	—
	1,386	$	346.13	$	479,656	1,607	$	246.19	$	395,681	4,803	$	198.53	$	953,445