Noncontrolling Interest	12 Months Ended
Noncontrolling Interest	Dec. 31, 2012
Noncontrolling Interest [Abstract]
Noncontrolling Interest	NON-CONTROLLING INTEREST In May 2008, LP completed the initial phase of its purchase of a 75% ownership interest in Massisa OSB Industria e Comercio S.A., which operates OSB assets located in Ponta Grossa, Brazil. The purchase was made through LP Brasil Participacoes Ltda., a former limited liability company and indirect subsidiary of LP. The non controlling ownership was subject to a put and call option that became exercisable in 2011, was being accounted for as a redeemable non controlling interest and was accreted over the life of the put and call to the estimated price which was the greater of $18.5 million plus interest plus the greater of $2.0 million or 25% of related working capital or a multiple of earnings before interest and taxes (subject to certain adjustments). The purchase price in 2008 was approximately $56.5 million (including expenses). LP took over operations in November 2008. In June 2011, LP purchased the remaining 25% ownership of LP Brazil from Massisa for a payment of $24.0 million. Subsequent to the purchase, LP incurred $10.0 million of long term export financing debt in connection with the purchase and used a portion of the proceeds to repay interim borrowing incurred to fund a portion of the purchase price.

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

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