Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Intangible Assets (Details)

v3.20.2
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]            
Cost $ 244,364     $ 244,364   $ 258,764
Accumulated Amortization (132,796)     (132,796)   (125,564)
Accumulated Impairment Loss (3,814)     (3,814)   (1,025)
Net Intangible Assets 107,754     107,754   132,175
Amortization of intangible assets 4,200   $ 5,000 13,300 $ 15,000  
Impairment charge       30,945    
Aviation            
Finite-Lived Intangible Assets [Line Items]            
Impairment charge   $ 30,945        
Aviation | CT Aerospace            
Finite-Lived Intangible Assets [Line Items]            
Impairment charge   $ 2,800        
Contract and customer-related            
Finite-Lived Intangible Assets [Line Items]            
Cost 213,194     213,194   227,594
Accumulated Amortization (107,328)     (107,328)   (102,169)
Accumulated Impairment Loss (3,814)     (3,814)   (1,025)
Net Intangible Assets 102,052     102,052   124,400
Acquired technologies            
Finite-Lived Intangible Assets [Line Items]            
Cost 12,400     12,400   12,400
Accumulated Amortization (10,505)     (10,505)   (9,660)
Accumulated Impairment Loss 0     0   0
Net Intangible Assets 1,895     1,895   2,740
Trade names            
Finite-Lived Intangible Assets [Line Items]            
Cost 18,770     18,770   18,770
Accumulated Amortization (14,963)     (14,963)   (13,735)
Accumulated Impairment Loss 0     0   0
Net Intangible Assets $ 3,807     $ 3,807   $ 5,035