Summary of Significant Accounting Policies (Details 5)	12 Months Ended
	Dec. 31, 2014
Contracts [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	6 years
Client lists [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	3 years
Animal Hospital [Member] | Customer Relationships [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	5 years
Minimum [Member] | Non Compete Agreements [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	3 years
Minimum [Member] | Favorable lease asset [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	4 years
Minimum [Member] | Technology [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	4 years
Minimum [Member] | Trademarks [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	2 years
Minimum [Member] | Laboratory [Member] | Customer Relationships [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	5 years
Minimum [Member] | Other Segments [Member] | Customer Relationships [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	5 years
Maximum [Member] | Non Compete Agreements [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	25 years
Maximum [Member] | Favorable lease asset [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	27 years
Maximum [Member] | Technology [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	10 years
Maximum [Member] | Trademarks [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	10 years
Maximum [Member] | Laboratory [Member] | Customer Relationships [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	25 years
Maximum [Member] | Other Segments [Member] | Customer Relationships [Member]
Amortization of intangible assets estimated useful lives
Amortization of intangible assets estimated useful lives	10 years