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Earnings per Share (Tables)
 6 Months Ended
Jun. 30, 2011
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of basic and diluted earnings per share:


Dollar and share amounts in millions, except per
share amounts
Quarter Ended June 30,
 
Six Months Ended June 30,
2011
 
2010
 
2011
 
2010
Numerator:
 
 
 
 
 
 
 
Loss attributed to LP common shares:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
(33.0
)
 
$
23.5


 
$
(56.0
)
 
$
1.2


Loss from discontinued operations
(2.5
)
 
(1.2
)
 
(2.5
)
 
(1.4
)
Net income (loss)
$
(35.5
)
 
$
22.3


 
$
(58.5
)
 
$
(0.2
)
Denominator:
 
 
 
 
 
 
 
Basic - weighted average common shares outstanding
131.4


 
128.5


 
131.3


 
127.2


Dilutive effect of stock warrants
—


 
9.5


 
—


 
9.3


Dilutive effect of stock plans
—


 
1.8


 
—


 
1.7


Diluted shares outstanding
131.4


 
139.8


 
131.3


 
138.2


Basic earnings per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
(0.25
)
 
$
0.18


 
$
(0.43
)
 
$
0.01


Loss from discontinued operations
(0.02
)
 
(0.01
)
 
(0.02
)
 
(0.01
)
Net income (loss) per share
$
(0.27
)
 
$
0.17


 
$
(0.45
)
 
$
—


Diluted earnings per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
(0.25
)
 
$
0.17


 
$
(0.43
)
 
$
0.01


Loss from discontinued operations
(0.02
)
 
(0.01
)
 
(0.02
)
 
(0.01
)
Net income (loss) per share
$
(0.27
)
 
$
0.16


 
$
(0.45
)
 
$
—