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SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION (Details 1)
Dec. 31, 2012
Dec. 31, 2011
Animal Health International, Inc [Member]
    
Accounts receivable due from significant customers 28.00% [1] 23.00% [1]
TCS BioSciences, Ltd [Member]
    
Accounts receivable due from significant customers 15.00%  
Accounts Receivable Due From Significant Customers Less Than10 Percentage   10.00%
MWI Veterinary Supply Company [Member]
    
Accounts receivable due from significant customers 14.00% [2] 21.00% [2]
Leedstone Inc. (formerly Stearns Veterinary Outlet, Inc.) [Member]
    
Accounts receivable due from significant customers   18.00%
Accounts Receivable Due From Significant Customers Less Than10 Percentage 10.00%  
[1] Assumes that the June 2011 acquisition of Animal Health International by Lextron had occurred as of the dates being reported.
[2] Assumes that the March 2011 acquisition of Nelson Laboratories and the October 2011 acquisition of Micro Beef Technologies by MWI had occurred as of the dates being reported.