Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v3.7.0.1
Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 233,455 $ 152,354
Accumulated Impairment (3,410) (3,290)
Accumulated Amortization (85,939) (71,899)
Net Book Value 144,106 77,165
Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 90,553 64,563
Accumulated Amortization (38,777) (34,683)
Net Book Value 51,776 29,880
Customer related [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 80,833 38,087
Accumulated Amortization (23,264) (17,610)
Net Book Value 57,569 20,477
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 43,872 32,106
Accumulated Impairment (3,410) (3,290)
Accumulated Amortization (10,328) (7,135)
Net Book Value 30,134 21,681
Internally developed software [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 15,479 14,978
Accumulated Amortization (11,182) (10,220)
Net Book Value 4,297 4,758
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,718 2,620
Accumulated Amortization (2,388) (2,251)
Net Book Value $ 330 $ 369