XML 19 R42.htm IDEA: XBRL DOCUMENT v2.4.1.9
Transactions With Related Party (Details) (Unconsolidated variable interest entity [Member], Louisiana Timber Procurement Company, L.L.C. (LTP) [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Related Party Transaction [Line Items]    
Variable interest entity, ownership percentage 50.00%us-gaap_VariableInterestEntityOwnershipPercentage  
Revenue from related parties $ 6.3us-gaap_RevenueFromRelatedParties $ 7.2us-gaap_RevenueFromRelatedParties
Related parties amount in cost of sales $ 21.9us-gaap_RelatedPartiesAmountInCostOfSales $ 16.1us-gaap_RelatedPartiesAmountInCostOfSales
Packaging Corporation of America (PCA) [Member]
   
Related Party Transaction [Line Items]    
Variable interest entity, ownership percentage 50.00%us-gaap_VariableInterestEntityOwnershipPercentage
/ dei_LegalEntityAxis
= us-gaap_CoVenturerMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_EquityMethodInvesteeMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember