XML 32 R25.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Measurements  
Fair Value Of Assets And Liabilities Measured On A Recurring Basis
   September 30, December 31,
   2013 2012
Assets:      
 Supplemental executive retirement savings plan investments - Level 2 $ 12,477 $ 8,804
        
Liabilities:      
 Contingent purchase price payable - Level 3 $ - $ 2,744