Calculation of Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2014

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):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Net income attributable to VCA Inc.	$	27,452	$	40,647	$	107,079	$	112,794
Weighted-average common shares outstanding:
Basic	86,274		88,834		87,543		88,583
Effect of dilutive potential common shares:
Stock options	324		310		285		318
Nonvested shares and units	762		701		837		758
Diluted	87,360		89,845		88,665		89,659
Basic earnings per share	$	0.32	$	0.46	$	1.22	$	1.27
Diluted earnings per share	$	0.31	$	0.45	$	1.21	$	1.26