Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Glossary Financing Activities
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Number of hospitals operated.

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Number of states in which hospitals are operated.

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Subsequent Events (Details) $ in Thousands		1 Months Ended	3 Months Ended
Subsequent Events (Details) $ in Thousands	May. 02, 2016 USD ($) State Hospital	Apr. 30, 2016 USD ($)	Mar. 31, 2016 USD ($) State Hospital	Mar. 31, 2015 USD ($)
Subsequent Event [Line Items]
Number of hospitals operated \| Hospital			703
Number of states in which hospitals are operated \| State			41
Proceeds from revolving credit facility			$ 90,000	$ 0
Revolving line of credit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from revolving credit facility		$ 345,000
Forecast [Member] \| Companion Animal Practices, North America [Member]
Subsequent Event [Line Items]
Percentage of ownership interest	80.00%
Fair value of total consideration transferred	$ 344,000
Companion Animal Practices, North America [Member] \| Forecast [Member]
Subsequent Event [Line Items]
Number of hospitals operated \| Hospital	56
Number of states in which hospitals are operated \| State	18