Acquisitions And Strategic Investments [Line Items]

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Business Acquisition, Amortizable Intangible Assets, Expected Tax Deductible Amount

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of asset recognized arising from contingent consideration in a business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

The amount of liability arising from an inherited contingency (as defined) which has been recognized as of the acquisition date.

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- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

This item represents the amount of net sales proceeds received on disposal of an equity method investment.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

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No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The number of businesses acquired by the entity during the period.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions And Disposition Of Strategic Investment (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($) entity	Dec. 31, 2014 USD ($) item	Dec. 31, 2013 USD ($)
Acquisitions And Strategic Investments [Line Items]
Acquisition of a business, net of cash acquired		$ 10,302	$ 25,115	$ 10,923
Number of businesses acquired \| item			7
Business Combinations, goodwill		$ 5,047	$ 13,077	6,741
Proceeds from sale of equity investment			(5,400)
Reference Laboratory Diagnostic And Consulting Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Number of businesses acquired \| entity		2
Contingent consideration		$ 3,200
Business Combinations, goodwill		5,000
Cash payments to acquire businesses		7,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets		1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent		$ 900
Cloud-based Veterinary Practice Software Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Acquisition of a business, net of cash acquired			$ 18,700
Number of businesses acquired \| item			3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 11,700
Business Combinations, goodwill			$ 12,400
Weighted average useful lives of amortizable intangible assets			11 years 4 months 24 days
Amortizable intangible assets deductible for income tax purposes			$ 5,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability			$ 4,200
Assets Of Cloud-based Veterinary Practice Software Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Number of businesses acquired \| item			2
Cloud-based Veterinary Practice Software Businesses, Foreign [Member]
Acquisitions And Strategic Investments [Line Items]
Number of businesses acquired \| item			2
Veterinary Reference Laboratory Testing Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Acquisition of a business, net of cash acquired			$ 6,200
Number of businesses acquired \| item			2
Weighted average useful lives of amortizable intangible assets			13 years 3 months 18 days
Amortizable intangible assets deductible for income tax purposes			$ 4,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability			$ 1,500
Assets Of Veterinary Reference Laboratory Testing Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Number of businesses acquired \| item			2
Company That Owns And Operates Veterinary Hospitals [Member]
Acquisitions And Strategic Investments [Line Items]
Proceeds from sale of equity investment	$ 5,400
Equity method investment, ownership percentage	11.00%
Gain on sale of equity investment	$ 700
Distributor Of Bovine And Dairy Test Products And Other Food Safety Testing Products [Member]
Acquisitions And Strategic Investments [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				$ 4,800
Weighted average useful lives of amortizable intangible assets				9 years 10 months 24 days
Cash payments to acquire businesses				$ 10,800
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents				700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets				1,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets				2,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent				1,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability				$ 3,100
Computer Software, Intangible Asset [Member] \| Cloud-based Veterinary Practice Software Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Weighted average useful lives of amortizable intangible assets			7 years
Customer Lists [Member] \| Reference Laboratory Diagnostic And Consulting Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Useful life assigned to intangible asset, years		15 years
Intangibles acquired as result of business combination		$ 5,200
Customer Lists [Member] \| Cloud-based Veterinary Practice Software Businesses [Member]
Acquisitions And Strategic Investments [Line Items]
Weighted average useful lives of amortizable intangible assets			16 years 4 months 24 days
Customer Lists [Member] \| Distributor Of Bovine And Dairy Test Products And Other Food Safety Testing Products [Member]
Acquisitions And Strategic Investments [Line Items]
Useful life assigned to intangible asset, years				10 years
Noncompete Agreements [Member] \| Distributor Of Bovine And Dairy Test Products And Other Food Safety Testing Products [Member]
Acquisitions And Strategic Investments [Line Items]
Useful life assigned to intangible asset, years				5 years
Trademarks [Member] \| Distributor Of Bovine And Dairy Test Products And Other Food Safety Testing Products [Member]
Acquisitions And Strategic Investments [Line Items]
Useful life assigned to intangible asset, years				15 years