XML 28 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Liabilities for Dispositions and Discontinued Operations (Tables)
 3 Months Ended
Mar. 31, 2012
Liabilities of Disposal Group, Including Discontinued Operation [Abstract]  
Schedule of Change in Environmental Loss Contingencies [Table Text Block]
An analysis of the liabilities for dispositions and discontinued operations follows:
 
March 31,
 
December 31,
 
 
2012
 
2011
 
Balance, beginning of period
$
90,824

 
$
93,160

 
Expenditures charged to liabilities
(1,711
)
 
(9,209
)
 
Increase to liabilities
12

 
6,873

 
Balance, end of period
89,125

 
90,824

 
Less: Current portion
(9,931
)
 
(9,931
)
 
Non-current portion
$
79,194

 
$
80,893