Earnings Per Share (Tables)

6 Months Ended

Nov. 30, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

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: 

	Three Months Ended				Six Months Ended
Basic Earnings per Share from Continuing Operations (in thousands except per share data)	November 30, 2018		November 30, 2017		November 30, 2018		November 30, 2017
Income from continuing operations	$	242,994	$	137,737	$	455,541	$	298,845
Less: income from continuing operations allocated to participating securities	3,376		2,111		6,308		5,298
Income from continuing operations available to common shareholders	$	239,618	$	135,626	$	449,233	$	293,547
Basic weighted average common shares outstanding	106,475		106,340		106,652		106,039
Basic earnings per share from continuing operations	$	2.25	$	1.27	$	4.21	$	2.77

	Three Months Ended				Six Months Ended
Diluted Earnings per Share from Continuing Operations (in thousands except per share data)	November 30, 2018		November 30, 2017		November 30, 2018		November 30, 2017
Income from continuing operations	$	242,994	$	137,737	$	455,541	$	298,845
Less: income from continuing operations allocated to participating securities	3,376		2,111		6,308		5,298
Income from continuing operations available to common shareholders	$	239,618	$	135,626	$	449,233	$	293,547
Basic weighted average common shares outstanding	106,475		106,340		106,652		106,039
Effect of dilutive securities – employee stock options	3,399		3,478		3,605		2,899
Diluted weighted average common shares outstanding	109,874		109,818		110,257		108,938
Diluted earnings per share from continuing operations	$	2.18	$	1.24	$	4.07	$	2.69

Summary of Buyback Activity by Program

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

(In thousands except per share data)	Three Months Ended  November 30, 2018					Six Months Ended  November 30, 2018
Buyback Program	Shares	Avg. Price per Share		Purchase Price		Shares	Avg. Price per Share		Purchase Price
August 2, 2016	1,740	$	190.66	$	331,547	2,130	$	192.55	$	410,003
October 30, 2018	201	$	181.41	$	36,579	201	$	181.41	$	36,579
	1,941	$	189.69	$	368,126	2,331	$	191.58	$	446,582