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Supplemental Information
3 Months Ended
Mar. 31, 2013
Supplemental Information [Abstract]  
Supplemental Information

(12) Supplemental Information

 

Supplemental cash flow information was as follows:

 

 Three months ended March 31,
 2013 2012
Income taxes paid $32,142 $5,784
Interest paid  1,390  1,071
Dividends declared but not paid at end of period 16,579  15,863
Treasury stock payable at period end 0  4,607