Condensed, Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	[1]	$ 55,923	$ 46,908	$ 95,476	$ 81,823
Other comprehensive income:
Foreign currency translation adjustments		4,411	4,809	(11,269)	(712)
Other comprehensive income (loss)		4,411	4,809	(11,269)	(712)
Total comprehensive income		60,334	51,717	84,207	81,111
Comprehensive income attributable to noncontrolling interests	[1]	1,761	1,702	2,541	2,146
Comprehensive income attributable to VCA Inc.		$ 58,573	$ 50,015	81,666	78,965
Net income related to redeemable and mandatorily redeemable noncontrolling interests				$ 1,600	$ 1,200

[1] Includes approximately $1.6 million and $1.2 million of net income related to redeemable and mandatorily redeemable noncontrolling interests for the six months ended June 30, 2015 and 2014, respectively.