Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.20.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Goodwill [Roll Forward]      
Balance as of beginning of period $ 276,450    
Decrease from divestiture (7,379)    
Balance as of end of period 269,071    
Finite-Lived Intangible Assets [Line Items]      
Loss on sale of a business entity and certain assets (7,536) $ 0  
Amortization of intangible assets 4,700 $ 5,000  
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 244,364   $ 258,764
Accumulated Amortization (124,173)   (125,564)
Accumulated Impairment Loss (1,025)   (1,025)
Net Intangible Assets 119,166   132,175
Contract and customer-related      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 213,194   227,594
Accumulated Amortization (99,997)   (102,169)
Accumulated Impairment Loss (1,025)   (1,025)
Net Intangible Assets 112,172   124,400
Acquired technologies      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 12,400   12,400
Accumulated Amortization (9,942)   (9,660)
Accumulated Impairment Loss 0   0
Net Intangible Assets 2,458   2,740
Trade names      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 18,770   18,770
Accumulated Amortization (14,234)   (13,735)
Accumulated Impairment Loss 0   0
Net Intangible Assets 4,536   $ 5,035
Fleet      
Goodwill [Roll Forward]      
Balance as of beginning of period 63,190    
Decrease from divestiture 0    
Balance as of end of period 63,190    
Federal and Defense      
Goodwill [Roll Forward]      
Balance as of beginning of period 30,883    
Decrease from divestiture 0    
Balance as of end of period 30,883    
Aviation      
Goodwill [Roll Forward]      
Balance as of beginning of period 182,377    
Decrease from divestiture (7,379)    
Balance as of end of period 174,998    
Prime Turbines      
Finite-Lived Intangible Assets [Line Items]      
Loss on sale of a business entity and certain assets (7,500)    
Prime Turbines | Aviation      
Finite-Lived Intangible Assets [Line Items]      
Loss on sale of a business entity and certain assets $ (7,500)