Transactions with Affiliates	9 Months Ended
Transactions with Affiliates	Sep. 30, 2015
Related Party Transactions [Abstract]
Transactions with Affiliates	TRANSACTIONS WITH AFFILIATES LP has an equity investment in Abitibi-LP, a manufacturer of I-joists with Resolute Forest Products. LP sells products and raw materials to Abitibi-LP and purchases products for resale from Abitibi-LP. LP eliminates profits on these sales and purchases, to the extent the inventory has not been sold through to third parties, on the basis of its 50% interest. For the quarters ended September 30, 2015 and 2014, LP sold $2.4 million and $2.7 million of products to Abitibi-LP and purchased $15.5 million and $14.7 million of I-joists from Abitibi-LP. For the nine months ended September 30, 2015 and 2014, LP sold $6.6 million and $8.0 million of products to Abitibi-LP and purchased $39.3 million and $42.9 million of I-joists from Abitibi-LP. Included in LP’s Consolidated Balance Sheets at September 30, 2015 and December 31, 2014 are $0.8 million and $0.7 million in accounts receivable and $0.2 million and $0.4 million in accounts payable associated with Abitibi-LP.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.