Earnings per Share (Tables)

12 Months Ended

May 31, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share For Continuing Operations

The following table sets 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:

Basic Earnings per Share from Continuing Operations (In thousands except per share data)	2018		2017		2016
Income from continuing operations	$	783,932	$	457,286	$	448,605
Less: income from continuing operations allocated to     participating securities	11,794		8,168		7,131
Income from continuing operations available to common shareholders	$	772,138	$	449,118	$	441,474
Basic weighted average common shares outstanding	106,593		104,964		108,221
Basic earnings per share from continuing operations	$	7.24	$	4.27	$	4.08

Diluted Earnings per Share from Continuing Operations (In thousands except per share data)	2018		2017		2016
Income from continuing operations	$	783,932	$	457,286	$	448,605
Less: income from continuing operations allocated to    participating securities	11,794		8,168		7,131
Income from continuing operations available to common    shareholders	$	772,138	$	449,118	$	441,474
Basic weighted average common shares outstanding	106,593		104,964		108,221
Effect of dilutive securities – employee stock options	3,217		2,819		1,735
Diluted weighted average common shares outstanding	109,810		107,783		109,956
Diluted earnings per share from continuing operations	$	7.03	$	4.17	$	4.02

Summary of Buyback Activity by Program

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

(In thousands except per share data)	2018					2017					2016
Buyback Program	Shares	Avg. Price per Share		Purchase Price		Shares	Avg. Price per Share		Purchase Price		Shares	Avg. Price per Share		Purchase Price
January 13, 2015	—	$	—	$	—	—	$	—	$	—	3,078	$	85.44	$	262,928
August 4, 2015	—	$	—	$	—	39	$	94.09	$	3,691	5,649	$	87.85	$	496,309
August 2, 2016	518	$	173.51	$	89,997	—	$	—	$	—	—	$	—	$	—
	518	$	173.51	$	89,997	39	$	94.09	$	3,691	8,727	$	87.00	$	759,237