Commitments and Contingencies (Details) (USD $)			3 Months Ended	9 Months Ended	0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 California Wildfire [Member]	Sep. 30, 2014 California Wildfire [Member]	May 07, 2014 Jorge Duran vs. VCA Animal Hospitals [Member] claim
Long-term Purchase Commitment [Line Items]
Potential earn-out payment	$ 5,200,000
Contingent consideration	3,700,000	2,200,000
Number of claims dismissed					4
Total number of claims					8
Loss recorded in connection with event			400,000	17,900,000
Insurance proceeds received				12,000,000
Insurance receivable			$ 5,900,000	$ 5,900,000