Calculation of Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings per Share

Basic and diluted earnings per share were calculated as follows (in thousands, except per share amounts):

7. Calculation of Earnings per Share, continued

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Net income attributable to VCA Inc.	$	54,299	$	45,584	$	92,600	$	79,627
Weighted-average common shares outstanding:
Basic	81,956		88,041		82,150		88,188
Effect of dilutive potential common shares:
Stock options	334		265		337		260
Non-vested shares and units	794		885		740		864
Diluted	83,084		89,191		83,227		89,312
Basic earnings per common share	$	0.66	$	0.52	$	1.13	$	0.90
Diluted earnings per common share	$	0.65	$	0.51	$	1.11	$	0.89