Annual report pursuant to Section 13 and 15(d)

Acquisitions Acquisitions (Details 4)

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Acquisitions Acquisitions (Details 4) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
May. 15, 2012
Business Acquisition [Line Items]        
Goodwill $ 0 $ 31,997 [1],[2] $ 0  
Other Payments to Acquire Businesses $ 304 $ 66,170 2,524  
Antone Wireless Corporation [Member]        
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory       $ 326
Escrow Deposit       3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill       3,230
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities       (612)
Goodwill       2,086
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest       $ 5,033
Payments to Acquire Businesses, Net of Cash Acquired     2,524  
Other Significant Noncash Transaction, Value of Consideration Given     3,038  
Business Acquisition Working Capital Shortfall     (529)  
Other Payments to Acquire Businesses     $ 5,033  
[1] Certain amounts have been adjusted to reflect measurement period adjustments related to the CSI acquisition (see Note 2).
[2] See Note 1 for restatement information.