v2.4.0.8
Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2013
Long-term Debt [Abstract]  
Schedule of long-term debt
   
2013
   
2012
 
Term loan with quarterly installments of principal and interest, with all remaining principal due in 2017. Interest rate at December 31, 2013, was 2.19%.
  $ 332,510         287,500  
Borrowings under revolving credit facility with interest due not less than quarterly and all principal due in 2017. Interest rate at December 31, 2013, was 4.25%.
      12,000         67,000  
Notes payable with interest rates from 2.31% to 6.57%, due in monthly installments of principal and interest with balloon payments due at various dates in 2014 through 2024, collateralized by aircraft
      156,841         36,934  
Notes payable with variable interest rates due in monthly installments of principal and interest with all remaining principal due in 2015, collateralized by aircraft. Interest rate at December 31, 2013, was 4.00%.
      1,276         2,211  
Note payable with interest rate at 4.92%, due in monthly installments of principal and interest with all remaining principal due in 2018, collateralized by real estate
      4,425         4,720  
Notes payable with interest rates from 3.55% to 4.00%, due in monthly installments of principal and interest at various dates through 2019, collateralized by aircraft
      6,861         3,206  
Note payable with interest at 4.04%, due in semi-annual installments of principal and interest through 2019, collateralized by aircraft
    2,540       2,907  
      516,453       404,478  
Less current installments
    (39,415 )     (23,796 )
    $ 477,038       380,682  
Schedule of aggregate maturities of long-term debt
Year ending December 31:
     
2014
  $ 39,415  
2015
    39,032  
2016
    37,613  
2017
    295,355  
2018
    18,294  
Thereafter
    86,744  
    $ 516,453