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Liabilities for Dispositions and Discontinued Operations (Tables)
 12 Months Ended
Dec. 31, 2012
Liabilities of Disposal Group, Including Discontinued Operation [Abstract]  
Schedule of Change in Environmental Loss Contingencies [Table Text Block]
An analysis of activity in the liabilities for dispositions and discontinued operations for the three years ended December 31, 2012 follows:
 
2012
 
2011
 
2010
Balance, January 1
$
90,824

 
$
93,160

 
$
98,591

Expenditures charged to liabilities
(9,926
)
 
(9,209
)
 
(8,632
)
Increase to liabilities
797

 
6,873

 
3,201

Balance, December 31
81,695

 
90,824

 
93,160

Less: Current portion
(8,105
)
 
(9,931
)
 
(11,500
)
Non-current portion
$
73,590

 
$
80,893

 
$
81,660
Schedule of Environmental Loss Contingencies by Site [Table Text Block]
The Company discloses specific site liabilities where current estimates exceed 10 percent of the total liabilities for dispositions and discontinued operations at December 31, 2012. An analysis of the activity for the two years ended December 31, 2012 is as follows:
 
 
Activity (in millions) as of December 31,
 
 
2010
 
 
 
Increase (Reduction) to Liabilities
 
2011
 
 
 
(Reduction)Increase to Liabilities
 
2012
Sites
 
Liability
 
Expenditures
 
 
Liability
 
Expenditures
 
 
Liability
Augusta, Georgia
 
$
14.9

 
$
(1.1
)
 
$
0.1

 
$
13.9

 
$
(0.8
)
 
$
(1.0
)
 
$
12.1

Spartanburg, South Carolina
 
14.3

 
(1.0
)
 
1.4

 
14.7

 
(0.9
)
 
0.2

 
14.0

East Point, Georgia
 
12.3

 
(1.3
)
 
—

 
11.0

 
(1.0
)
 
0.9

 
10.9

Baldwin, Florida
 
10.0

 
(0.8
)
 
0.5

 
9.7

 
(0.9
)
 
0.3

 
9.1

Other SWP sites
 
31.8

 
(2.2
)
 
(3.3
)
 
26.3

 
(3.6
)
 
(1.8
)
 
20.9

Total SWP
 
83.3

 
(6.4
)
 
(1.3
)
 
75.6

 
(7.2
)
 
(1.4
)
 
67.0

Port Angeles, Washington
 
4.4

 
(2.2
)
 
7.1

 
9.3

 
(1.7
)
 
1.9

 
9.5

All other sites
 
5.5

 
(0.6
)
 
1.0

 
5.9

 
(1.0
)
 
0.3

 
5.2

TOTAL
 
$
93.2

 
$
(9.2
)
 
$
6.8

 
$
90.8

 
$
(9.9
)
 
$
0.8

 
$
81.7