Condensed, Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	[1]	$ 66,426	$ 55,923	$ 114,148	$ 95,476
Other comprehensive income:
Foreign currency translation adjustments		32	4,411	12,630	(11,269)
Other comprehensive income (loss)		32	4,411	12,630	(11,269)
Total comprehensive income		66,458	60,334	126,778	84,207
Comprehensive income attributable to noncontrolling interests	[1]	2,446	1,761	4,294	2,541
Comprehensive income attributable to VCA Inc.		$ 64,012	$ 58,573	$ 122,484	$ 81,666

[1] Includes approximately $2.1 million and $1.6 million of net income related to redeemable and mandatorily redeemable noncontrolling interests for the six months ended June 30, 2016 and 2015, respectively.