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Long-Term Debt and Commitments
6 Months Ended
Jul. 01, 2012
Long-Term Debt and Commitments [Abstract]  
Long-Term Debt and Commitments
Note 8.   Long-Term Debt and Commitments

     The following is a summary of long-term debt:
 
(millions of dollars)                                             
July 1,
2012
  
December 31, 2011
 
5.53% Series 2006A Senior Notes
     
 
Due October 5, 2013
$
50.0
 
$
50.0
Floating Rate Series 2006A Senior Notes
     
 
Due October 5, 2013
 
25.0
   
25.0
Variable/Fixed Rate Industrial
     
 
Development Revenue Bonds Due August 1, 2012
 
8.0
   
8.0
Variable/Fixed Rate Industrial
     
 
Development Revenue Bonds Series 1999 Due November 1, 2014
 
8.2
   
8.2
Installment obligations
 
1.4
   
1.4
Other borrowings
 
1.1
   
1.4
 
Total
 
93.7
   
94.0
Less: Current maturities
 
10.0
   
8.6
Long-term debt
$
83.7
 
$
85.4

     As of July 1, 2012, the Company had $190 million of uncommitted short-term bank credit lines, of which approximately $4.4 million were in use.