The following table sets forth the computation of basic and diluted earnings per share using the two-class method for amounts attributable to Cintas' common shares:



(In thousands except per share data)	2013		2012		2011

Basic Earnings per Share
Net income	$	315,442	$	297,637	$	246,989
Less dividends to:
Common shares	$	78,866	$	70,055	$	71,197
Unvested shares	878		765		615
Total dividends	$	79,744	$	70,820	$	71,812

Undistributed net income	$	235,698	$	226,817	$	175,177
Less: net income allocated to participating unvested securities	1,896		1,880		1,097
Net income available to common shareholders	$	233,802	$	224,937	$	174,080
Basic weighted average common shares outstanding	123,956		129,891		146,586

Basic earnings per share:
Common shares — distributed earnings	$	0.64	$	0.54	$	0.49
Common shares — undistributed earnings	1.89		1.73		1.19
Total common shares	$	2.53	$	2.27	$	1.68

Unvested shares — distributed earnings	$	0.64	$	0.54	$	0.49
Unvested shares — undistributed earnings	1.89		1.73		1.19
Total unvested shares	$	2.53	$	2.27	$	1.68



(In thousands except per share data)	2013		2012		2011

Diluted Earnings per Share
Net income	$	315,442	$	297,637	$	246,989
Less dividends to:
Common shares	$	78,866	$	70,055	$	71,197
Unvested shares	878		765		615
Total dividends	$	79,744	$	70,820	$	71,812

Undistributed net income	$	235,698	$	226,817	$	175,177
Less: net income allocated to participating unvested securities	1,896		1,880		1,097
Net income available to common shareholders	$	233,802	$	224,937	$	174,080
Basic weighted average common shares outstanding	123,956		129,891		146,586
Effect of dilutive securities — employee stock options	575		142		—
Diluted weighted average common shares outstanding	124,531		130,033		146,586

Diluted earnings per share:
Common shares — distributed earnings	$	0.64	$	0.54	$	0.49
Common shares — undistributed earnings	1.88		1.73		1.19
Total common shares	$	2.52	$	2.27	$	1.68

Unvested shares — distributed earnings	$	0.64	$	0.54	$	0.49
Unvested shares — undistributed earnings	1.88		1.73		1.19
Total unvested shares	$	2.52	$	2.27	$	1.68