v2.3.0.11

Debt (Details) (USD $)	6 Months Ended		6 Months Ended			6 Months Ended		6 Months Ended
	Jun. 25, 2011	Dec. 25, 2010	Jun. 25, 2011 Revolving credit facility [Member]	Jun. 25, 2011 Various bank credit lines [Member]	Jun. 25, 2011 Private placement facilities [Member]	Jun. 25, 2011 Debt incurred as part of acquisition of Butler Animal Health Supply, LLC [Member]	Dec. 31, 2009 Debt incurred as part of acquisition of Butler Animal Health Supply, LLC [Member]	Jun. 25, 2011 Butler Debt Refinanced Term-Loan A [Member]	Jun. 25, 2011 Butler Debt Refinanced Term-Loan B [Member]	Jun. 25, 2011 Butler Debt Refinanced-Revolver [Member]
Line of Credit Facility [Line Items]
Current revolving credit facility borrowing capacity			$ 400,000,000
Additional credit available under expansion feature of current revolving credit facility			100,000,000
Outstanding letters of credit provided to third parties			9,700,000
Bank credit lines	49,236,000	41,508,000
Line of credit facility, amount outstanding			25,000,000	24,200,000
Weighted average interest rate on borrowings under credit lines (in hundredths)	2.12%		0.70%
Debt Instrument [Line Items]
Debt Instrument, Face Amount					400,000,000			100,000,000	216,000,000	50,000,000
Number of insurance companies providing private placement facilities (in number of insurance companies)					2
Minimum Term Of Issuances Under Private Placement Facilities					five
Maximum Term Of Issuances Under Private Placement Facilities					15
Maximum Average Term Of Issuances Under Private Placement Facilities					12
Debt instrument carrying amount, gross					100,000,000	280,800,000
Debt Instrument, Interest Rate, Stated Percentage (in hundredths)					3.79%
Butler Schein Animal Health Debt At Closing							320,000,000
Intercompany Debt Provided Balance Amount							37,500,000		55,000,000
Number of quarterly installments to repay debt from BAHS acquisition						23		14	17
Butler Debt Term Loan A Quarterly Installment Range One								1,250,000
Butler Debt Term Loan A Quarterly Installment Range Two								1,880,000
Butler Debt Term Loan A Quarterly Installment Range Three								2,500,000
Butler Debt Term Loan A Quarterly Installment Range Four								3,130,000
Amount of quarterly installments of BAHS debt						800,000			540,000
Amount of final Butler Animal Health Supply, LLC debt installment						301,600,000		74,400,000	206,800,000
LIBOR plus a margin interest rate on BAHS debt (in hundredths)						3.50%		3.00%	3.25%	3.00%
LIBOR floor interest rate on BAHS debt (in hundredths)						2.00%			1.25%
Collateralized BAHS assets for BAHS debt	244,300,000
Collateralized subsidiary assets for other subsidiary credit lines	84,800,000
Notional amount of interest rate caps related to Butler debt	$ 160,000,000
Interest rate caps on debt protecting against LIBOR interest rate (in hundredths)	3.00%

X

- Definition

The additional credit that is available under the expansion feature on the current revolving credit facility

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- Definition

Amount of quarterly installment payment amount for the quarter ended September 30, 2014 related to BAHS refinanced debt Term Loan A.

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- Definition

Amount of quarterly installment payment amount for the period September 30, 2011 through June 30, 2012 related to BAHS refinanced debt Term Loan A.

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- Definition

Amount of quarterly installment payment amount for the period September 30, 2013 through June 30, 2014 related to BAHS refinanced debt Term Loan A.

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- Definition

Amount of quarterly installment payment amount for the period September 30, 2012 through June 30, 2013 related to BAHS refinanced debt Term Loan A.

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- Definition

Amount of Butler Schein Animal Health debt at closing.

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- Definition

Aggregate net carrying value of BAHS assets that represent collateral for BAHS debt.

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- Definition

Aggregate net carrying value of subsidiary assets that represent collateral for subsidiary credit lines (excluding BAHS debt).

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- Definition

Amount of the required final payment including both interest and principal payments.

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- Definition

LIBOR floor interest rate percentage for the funds borrowed under the debt agreement.

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- Definition

LIBOR plus a margin interest rate percentage for the funds borrowed under the debt agreement.

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- Definition

Number of quarterly installment payments to repay debt of Butler Animal Health Supply, LLC.

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Amount of intercompany debt provided by related company that is eliminated in the accompanying consolidated financial statements.

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X

- Definition

The total of a series of interest rate caps entered into for the purpose of hedging risks related to potential rising interest rates on the Butler Animal Health Supply debt.

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- Definition

The number of insurance companies that have provided the private placement facilities.

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The maximum term available for issuances under the private placement facilities.

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The minimum term available for issuances under the private placement facilities.

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The number of insurance companies that have provided the private placement facilities.

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- Definition

The balance of outstanding letters of credit provided to third parties as of the balance sheet date. This amount reduces the funds available under the revolving credit facility.

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 31
-Subparagraph b

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

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
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- Definition

Interest rate stated in the contractual debt agreement.

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

Amount of the required periodic payments including both interest and principal payments. (Consider the frequency of payment.)

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment (receipt) is triggered on the contract.

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- Definition

Amount borrowed under the credit facility as of the balance-sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

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- Definition

The effective interest during the reporting period.

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-Publisher SEC
-Name Regulation S-X (SX)
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

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

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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