For an unclassified balance sheet, the accumulated amortization, as of the reporting date, representing the periodic charge to earnings of deferred costs which are associated with debt obligations existing as of the end of the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Summary of Significant Accounting Policies (Details Textual) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2013 province State Hospital	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation, Depletion and Amortization			$ 77,409,000	$ 76,227,000	$ 56,988,000
Depreciation expense adjustment		3,100,000		3,100,000
Valuation Allowances and Reserves, Balance	16,546,000		17,702,000	16,546,000	14,978,000
Unrecognized Tax Benefit			We did not have any unrecognized tax benefits
Summary of Significant Accounting Policies (Textual) [Abstract]
Number of animal hospitals where management services are provided			176
Number of states in which management services are provided to animal hospitals			15
Maturity period of cash equivalents			less than 90 days
Goodwill impairment	123,600,000			99,501,000	21,310,000
Likelihood of benefit amount being realized upon settlement in order to be recognized as a tax benefit			greater than 50%
Accumulated amortization of deferred financing cost	1,300,000		1,200,000	1,300,000
Total marketing and advertising expense included in direct costs			25,400,000	25,300,000	25,200,000
Total marketing and advertising expenses included in selling, general and administrative expense			5,900,000	7,600,000	3,200,000
Accrued warranty costs	70,000		73,000	70,000
Common shares excluded from the computation of diluted earnings per share			0	1.0	1.2
Recognition of previously deferred revenue resulting from error correction					4,000,000
Recognition of previously deferred costs in Medical Technology segment resulting from error correction					3,800,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
note receivable interest rate			2.60%
Maximum [Member]
Property, Plant and Equipment [Line Items]
note receivable interest rate			8.00%
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Depreciation, Depletion and Amortization			56,500,000	53,500,000	43,600,000
Notes Receivable [Member]
Property, Plant and Equipment [Line Items]
Valuation Allowances and Reserves, Balance			$ 0