v2.4.0.8
Other Receivables (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables $ 349,090 $ 265,671
Supplier rebates and other non-trade receivables
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables 217,100 207,590
Medicare bad debt claims
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables 110,825 41,211
Operating advances under management and administrative services agreements
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Other receivables $ 21,165 $ 16,870