Earnings Per Share (Tables)

9 Months Ended

Feb. 28, 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				Nine Months Ended
Basic Earnings per Share from Continuing    Operations(in thousands except per share data)	February 28, 2018		February 28, 2017		February 28, 2018		February 28, 2017
Income from continuing operations	$	295,789	$	116,954	$	594,634	$	375,112
Less: income from continuing operations allocated to participating securities	5,248		2,573		10,546		7,348
Income from continuing operations available to common shareholders	$	290,541	$	114,381	$	584,088	$	367,764
Basic weighted average common shares outstanding	106,558		105,093		106,210		104,842
Basic earnings per share from continuing operations	$	2.73	$	1.09	$	5.50	$	3.51

	Three Months Ended				Nine Months Ended
Diluted Earnings per Share from Continuing    Operations(in thousands except per share data)	February 28, 2018		February 28, 2017		February 28, 2018		February 28, 2017
Income from continuing operations	$	295,789	$	116,954	$	594,634	$	375,112
Less: income from continuing operations allocated to participating securities	5,248		2,573		10,546		7,348
Income from continuing operations available to common shareholders	$	290,541	$	114,381	$	584,088	$	367,764
Basic weighted average common shares outstanding	106,558		105,093		106,210		104,842
Effect of dilutive securities – employee stock options	3,617		2,799		3,044		2,666
Diluted weighted average common shares outstanding	110,175		107,892		109,254		107,508
Diluted earnings per share from continuing operations	$	2.66	$	1.06	$	5.35	$	3.42