Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details 1)

v3.4.0.3
Goodwill and Intangible Assets (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2016
Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 73,989 $ 73,989
Finite-Lived Intangible Assets, Accumulated Amortization (53,601) (48,047)
Finite-Lived Intangible Assets, Net 20,388 25,942
Backlog [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 1,530 1,530
Finite-Lived Intangible Assets, Accumulated Amortization (1,530) (1,530)
Finite-Lived Intangible Assets, Net 0 0
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 24,867 24,867
Finite-Lived Intangible Assets, Accumulated Amortization (10,926) (7,917)
Finite-Lived Intangible Assets, Net 13,941 16,950
Product Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 45,234 45,234
Finite-Lived Intangible Assets, Accumulated Amortization (39,455) (37,370)
Finite-Lived Intangible Assets, Net 5,779 7,864
Noncompete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 510 510
Finite-Lived Intangible Assets, Accumulated Amortization (510) (276)
Finite-Lived Intangible Assets, Net 0 234
Trademarks and Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 1,848 1,848
Finite-Lived Intangible Assets, Accumulated Amortization (1,180) (954)
Finite-Lived Intangible Assets, Net $ 668 $ 894