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Nature of Operations (Details)
Sep. 30, 2013
Laboratory
Provinces
State
Mar. 31, 2012
Provinces
Nature of Operations (Textuals) [Abstract]    
Number of hospitals operated 606  
Number of states in which hospitals are operated 41  
Number Of Canadian Provinces 4 3
Number of states in which the company operate a full-service veterinary diagnostic laboratory network 50  
Number of laboratories operated 56