Nature of Operations (Details)	9 Months Ended
	Sep. 30, 2015 day_care_location province Laboratory segment Hospital State reportable_segment
Nature of Operations (Textuals) [Abstract]
Number of operating segments | segment	5
Number of reportable segments | reportable_segment	2
Number of hospitals operated | Hospital	674
Number of states in which hospitals are operated	41
Number of Canadian Provinces | province	4
Number of states in which the company operate a full-service veterinary diagnostic laboratory network	50
Number of laboratories operated | Laboratory	59
Camp Bow Wow [Member]
Nature of Operations (Textuals) [Abstract]
Number of dog boarding and day care service locations operated | day_care_location	128
Number of states in which the entity operates	35
Number of Canadian Provinces in which entity operates | province	1