Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.8.0.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Goodwill [Roll Forward]          
Balance as of beginning of period     $ 198,622    
Adjustments from the Ultra Seating acquisition        
Balance as of end of period $ 198,622   198,622    
Finite-Lived Intangible Assets [Line Items]          
Amortization of intangible assets 4,005 $ 4,022 12,013 $ 12,063  
Finite-Lived Intangible Assets, Net [Abstract]          
Cost 202,164   202,164   $ 202,164
Accumulated Amortization (86,226)   (86,226)   (74,213)
Accumulated Impairment Loss (1,025)   (1,025)   (1,025)
Net Intangible Assets 114,913   114,913   126,926
Supply Chain Management          
Goodwill [Roll Forward]          
Balance as of beginning of period     63,190    
Adjustments from the Ultra Seating acquisition        
Balance as of end of period 63,190   63,190    
Federal Services          
Goodwill [Roll Forward]          
Balance as of beginning of period     30,883    
Adjustments from the Ultra Seating acquisition        
Balance as of end of period 30,883   30,883    
Aviation          
Goodwill [Roll Forward]          
Balance as of beginning of period     104,549    
Adjustments from the Ultra Seating acquisition        
Balance as of end of period 104,549   104,549    
Contract and customer-related          
Finite-Lived Intangible Assets, Net [Abstract]          
Cost 173,094   173,094   173,094
Accumulated Amortization (69,653)   (69,653)   (59,799)
Accumulated Impairment Loss (1,025)   (1,025)   (1,025)
Net Intangible Assets 102,416   102,416   112,270
Acquired technologies          
Finite-Lived Intangible Assets, Net [Abstract]          
Cost 12,400   12,400   12,400
Accumulated Amortization (7,124)   (7,124)   (6,278)
Accumulated Impairment Loss 0   0   0
Net Intangible Assets 5,276   5,276   6,122
Trade names          
Finite-Lived Intangible Assets, Net [Abstract]          
Cost 16,670   16,670   16,670
Accumulated Amortization (9,449)   (9,449)   (8,136)
Accumulated Impairment Loss 0   0   0
Net Intangible Assets $ 7,221   $ 7,221   $ 8,534