Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.3.0.814
Fair Value Measurements (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Jan. 28, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Earn-out obligations - current $ 9,038 $ 9,038           $ 9,455
Earn-out obligation - long-term 12,576 12,576           0
Income tax expense benefit on interest rate swap   391            
Earn-out payments   (14,982)            
WBI Acquisition [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Maximum potential cash payment 40,000 $ 40,000            
Post acquisition payment period   4 years            
Earn-out payments     $ (10,000) $ (2,700) $ (219) $ (7,100)    
Aviation Acquisitions [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Maximum potential cash payment             $ 40,000  
Increase in earn-out obligations 508 $ 1,035            
Earn-out Obligation - Current [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Earn-out payments   (14,982)            
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Assets [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Non-COLI assets held in Deferred Supplemental Compensation Plan 255 255           253
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Accrued Expenses [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Interest rate swaps 1,017 1,017           0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Earn-out Obligation - Current [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Earn-out obligations - current 9,038 9,038           9,455
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Earn-out Obligation - Long-term [Member]                
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                
Earn-out obligation - long-term $ 12,576 $ 12,576           $ 0