XML 83 R59.htm IDEA: XBRL DOCUMENT v2.4.1.9
Investment in Affiliates - Additional Information (Detail) (Consolidated Container Company, Subsidiary, USD $)
In Millions, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 03, 2012
Dec. 31, 2012
Jul. 03, 2012
Dec. 31, 2012
Jul. 02, 2012
Investments in and Advances to Affiliates [Line Items]          
Non-controlling interest, ownership percentage 25.00%us-gaap_EquityMethodInvestmentOwnershipPercentage   25.00%us-gaap_EquityMethodInvestmentOwnershipPercentage    
Equity investments         $ 0us-gaap_EquityMethodInvestments
Sales Proceeds 58.0us-gaap_ProceedsFromSaleOfEquityMethodInvestments        
Cash tax obligation   90df_TaxObligationOnSaleOfEquityMethodInvestee      
Additional income tax expense       68.4df_EquityMethodInvestmentIncomeTaxExpense  
Net after-tax loss on the sale of investment       (10.4)us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee  
Supply agreement, product purchase cost     204.1us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty    
Other Operating (Income) Loss          
Investments in and Advances to Affiliates [Line Items]          
Pre-tax gain from sale       $ 58.0us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
/ us-gaap_CounterpartyNameAxis
= df_ConsolidatedContainerCompanyMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OtherIncomeMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_SubsidiariesMember