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Liabilities for Dispositions and Discontinued Operations (Tables)
 12 Months Ended
Dec. 31, 2011
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, 2011 follows:
 
2011
 
2010
 
2009
Balance, January 1
$
93,160

 
$
98,591

 
$
104,575

Expenditures charged to liabilities
(9,209
)
 
(8,632
)
 
(8,095
)
Increase to liabilities
6,873

 
3,201

 
2,111

Balance, December 31
90,824

 
93,160

 
98,591

Less: Current portion
(9,931
)
 
(11,500
)
 
(10,648
)
Non-current portion
$
80,893

 
$
81,660

 
$
87,943
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, 2011. An analysis of the activity for the two years ended December 31, 2011 is as follows:
 
 
Activity (in millions) as of December 31,
 
 
2009
 
 
 
Increase (Reduction) to Liabilities
 
2010
 
 
 
Increase (Reduction) to Liabilities
 
2011
Sites
 
Liability
 
Expenditures
 
 
Liability
 
Expenditures
 
 
Liability
Augusta, Georgia
 
$
15.1

 
$
(1.3
)
 
$
1.1

 
$
14.9

 
$
(1.1
)
 
$
0.1

 
$
13.9

Spartanburg, South Carolina
 
14.9

 
(0.8
)
 
0.2

 
14.3

 
(1.0
)
 
1.4

 
14.7

East Point, Georgia
 
14.7

 
(1.1
)
 
(1.3
)
 
12.3

 
(1.3
)
 
—

 
11.0

Baldwin, Florida
 
8.4

 
(0.8
)
 
2.4

 
10.0

 
(0.8
)
 
0.5

 
9.7

Other SWP sites
 
35.4

 
(2.0
)
 
(1.6
)
 
31.8

 
(2.2
)
 
(3.3
)
 
26.3

Total SWP
 
88.5

 
(6.0
)
 
0.8

 
83.3

 
(6.4
)
 
(1.3
)
 
75.6

Port Angeles, Washington
 
4.4

 
(2.0
)
 
2.0

 
4.4

 
(2.2
)
 
7.1

 
9.3

All other sites
 
5.7

 
(0.6
)
 
0.4

 
5.5

 
(0.6
)
 
1.0

 
5.9

TOTAL
 
$
98.6

 
$
(8.6
)
 
$
3.2

 
$
93.2

 
$
(9.2
)
 
$
6.8

 
$
90.8