XML 45 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6
Debt (Details 2) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Debt      
Total $ 380,318 $ 287,148  
Current maturities of long-term debt 26,065 17,800  
Long-term debt 354,253 269,348  
Weighted average interest rate (as a percent) 2.40% 2.50%  
Aggregate annual maturities of debt      
2013 26,065    
2014 24,848    
2015 18,202    
2016 311,203    
Interest income, expense and other financing costs      
Interest income 908 788 714
Interest expense and other financing costs (20,005) (16,613) (5,459)
Interest expense and other financing costs, net (19,097) (15,825) (4,745)
Credit Facility and Term Loans
      
Debt      
Total 348,000 250,000  
Acquisition promissory notes
      
Debt      
Total 25,878 30,554  
Interest rate, minimum (as a percent) 1.40%    
Interest rate, maximum (as a percent) 6.00%    
Loans payable to noncontrolling shareholders of a consolidated subsidiary
      
Debt      
Total $ 6,440 $ 6,594  
Interest rate, minimum (as a percent) 2.30%    
Interest rate, maximum (as a percent) 6.30%