Condensed, Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	[1]	$ 47,722	$ 39,553
Other comprehensive income:
Foreign currency translation adjustments		12,598	(15,680)
Other comprehensive income (loss)		12,598	(15,680)
Total comprehensive income		60,320	23,873
Comprehensive income attributable to noncontrolling interests	[1]	1,848	780
Comprehensive income attributable to VCA Inc.		$ 58,472	$ 23,093

[1] Includes approximately $1.0 million and $0.8 million of net income related to redeemable and mandatorily redeemable noncontrolling interests for the three months ended March 31, 2016 and 2015, respectively.