The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Transactions with Affiliates (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 AbitibiBowater-LP [Member]	Sep. 30, 2011 AbitibiBowater-LP [Member]	Sep. 30, 2012 AbitibiBowater-LP [Member]	Sep. 30, 2011 AbitibiBowater-LP [Member]	Sep. 30, 2012 AbitibiBowater-LP [Member] I Joist [Member]	Sep. 30, 2011 AbitibiBowater-LP [Member] I Joist [Member]	Sep. 30, 2012 AbitibiBowater-LP [Member] I Joist [Member]	Sep. 30, 2011 AbitibiBowater-LP [Member] I Joist [Member]	Sep. 30, 2012 Canfor-LP [Member] OSB [Member]	Sep. 30, 2011 Canfor-LP [Member] OSB [Member]	Sep. 30, 2012 Canfor-LP [Member] OSB [Member]	Sep. 30, 2011 Canfor-LP [Member] OSB [Member]
Related Party Transaction [Line Items]
Ownership in affiliates	50.00%
Revenue from affiliates			$ 2.6	$ 1.5	$ 6.3	$ 4.4
Expenses from affiliates							11.3	9.6	29.7	26.4	42.6	19.3	101.9	65.8
Due from affiliates	3.3	0.5
Due to affiliates	$ 7.7	$ 2.3