XML 63 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1
GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Amortized intangible assets:      
Gross Carrying Amount $ 149,368   $ 146,103
Accumulated Amortization (54,623)   (50,643)
Net Value 94,745   95,460
Aggregate amortization expense 2,818 $ 2,429  
Future estimated amortization expense      
2018 8,448    
2019 11,082    
2020 9,840    
2021 9,644    
2022 and thereafter $ 55,731    
Weighted Average      
Amortized intangible assets:      
Amortization Period 11 years 9 months 18 days    
Patents      
Amortized intangible assets:      
Gross Carrying Amount $ 8,144   7,819
Accumulated Amortization (8,015)   (7,806)
Net Value $ 129   13
Patents | Weighted Average      
Amortized intangible assets:      
Amortization Period 2 months 12 days    
Technology      
Amortized intangible assets:      
Gross Carrying Amount $ 48,797   47,571
Accumulated Amortization (15,816)   (14,624)
Net Value $ 32,981   32,947
Technology | Weighted Average      
Amortized intangible assets:      
Amortization Period 15 years    
Customer relationships      
Amortized intangible assets:      
Gross Carrying Amount $ 70,120   68,886
Accumulated Amortization (15,181)   (13,401)
Net Value $ 54,939   55,485
Customer relationships | Weighted Average      
Amortized intangible assets:      
Amortization Period 12 years 2 months 12 days    
License agreements and other      
Amortized intangible assets:      
Gross Carrying Amount $ 22,307   21,827
Accumulated Amortization (15,611)   (14,812)
Net Value $ 6,696   $ 7,015
License agreements and other | Weighted Average      
Amortized intangible assets:      
Amortization Period 7 years 7 months 6 days