Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details 3)

v2.4.0.8
Acquisitions (Details 3) (Kentrox [Member], USD $)
In Thousands, unless otherwise specified
9 Months Ended
Dec. 31, 2013
Apr. 02, 2013
Business Acquisition [Line Items]    
Intangible assets   $ 15,980
Order or Production Backlog [Member]
   
Business Acquisition [Line Items]    
Intangible assets   1,440
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 1 year  
Customer Relationships [Member]
   
Business Acquisition [Line Items]    
Intangible assets   8,960
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years  
Trade Names [Member]
   
Business Acquisition [Line Items]    
Intangible assets   1,170
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years  
Technology [Member]
   
Business Acquisition [Line Items]    
Intangible assets   $ 4,410
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 9 years