XML 65 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Accumulated Comprehensive Loss (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
ACCUMULATED COMPREHENSIVE LOSS [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Accumulated comprehensive loss consists of cumulative translation adjustments, unrealized gains (losses) on certain derivative instruments and pension and post retirement adjustments. The table below breaks down these balances, net of tax:
Dollar amounts in millions | Foreign currency translation adjustments |  | Pension adjustments |  | Unrealized gain (loss) on derivative instruments |  | Unrealized gain (loss) on investments |  | Other |  | Total
Balance at December 31, 2009 | $ | (8.1 | ) |  | $ | (65.6 | ) |  | $ | (0.1 | ) |  | $ | 11.4 |  |  | $ | (2.2 | ) |  | $ | (64.6 | )
Activity | 7.7 |  |  | (7.6 | ) |  | (0.2 | ) |  | (4.9 | ) |  | — |  |  | (5.0 | )
Balance at December 31, 2010 | (0.4 | ) |  | (73.2 | ) |  | (0.3 | ) |  | 6.5 |  |  | (2.2 | ) |  | (69.6 | )
Activity | (7.8 | ) |  | (22.8 | ) |  | 0.7 |  |  | (6.3 | ) |  | (0.4 | ) |  | (36.6 | )
Balance at December 31, 2011 | (8.2 | ) |  | (96.0 | ) |  | 0.4 |  |  | 0.2 |  |  | (2.6 | ) |  | (106.2 | )
Activity | 0.6 |  |  | (3.0 | ) |  | (0.7 | ) |  | 0.8 |  |  | 0.6 |  |  | (1.7 | )
Balance at December 31, 2012 | $ | (7.6 | ) |  | $ | (99.0 | ) |  | $ | (0.3 | ) |  | $ | 1.0 |  |  | $ | (2.0 | ) |  | $ | (107.9 | )

X
- Details
Name: | lpx_AccumulatedComprehensiveLossAbstract
Namespace Prefix: | lpx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration