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Restructuring Costs
12 Months Ended
Dec. 31, 2012
Restructuring and Related Activities [Abstract]  
Restructuring Costs
Note 7.   Restructuring Costs

      The Company initiated restructuring programs in 2007, 2009, and 2011.  A reconciliation of the remaining restructuring liability relating to those programs as of December 31, 2012, is as follows:

 (millions of dollars)
Balance as of
December 31, 2011
 
Additional Provisions (Reversals)
 
Cash Expenditures
 
Balance as of December 31,
2012
Contract termination costs  
$
0.8
 
 
$
--
 
 
$
(0.6
)
$
0.2
 
Severance and other employee benefits
 
0.6
 
 
 
--
 
 
 
(0.5
)
 
0.1
 
 
$
1.4
 
 
$
--
 
 
$
(1.1
)
$
0.3
 

     Approximately $1.1 million and $2.5 million in restructuring payments were paid in 2012 and 2011, respectively.  A restructuring liability of $0.3 million remains at December 31, 2012.  Such amounts will be funded from operating cash flows.