Annual report pursuant to Section 13 and 15(d)

Acquisitions Acquisitions (Details 1)

v3.3.0.814
Acquisitions Acquisitions (Details 1) - CSI [Member] - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2015
Mar. 02, 2014
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   $ 16,173
Backlog [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   90
Finite-Lived Intangible Asset, Useful Life 1 month  
Customer Relationships [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   11,410
Finite-Lived Intangible Asset, Useful Life 9 years  
Trademarks [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   303
Finite-Lived Intangible Asset, Useful Life 1 year  
Product Technology [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   3,860
Finite-Lived Intangible Asset, Useful Life 3 years  
Noncompete Agreements [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   $ 510
Finite-Lived Intangible Asset, Useful Life 2 years