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Fair Value Measurements (Details) (USD $)
 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Forward Foreign Currency Exchange Contracts [Member]
Dec. 31, 2012
Forward Foreign Currency Exchange Contracts [Member]
Dec. 31, 2013
Forward Foreign Currency Exchange Contracts [Member]
Dec. 31, 2012
Forward Foreign Currency Exchange Contracts [Member]
Dec. 31, 2013
Warrant Liability [Member]
Dec. 31, 2012
Warrant Liability [Member]
Dec. 31, 2013
Warrant Liability [Member]
Dec. 31, 2012
Warrant Liability [Member]
Dec. 31, 2013
Supplier Warrant [Member]
Dec. 31, 2013
Recurring [Member]
Mar. 31, 2013
Recurring [Member]
Dec. 31, 2013
Recurring [Member]
Level 1 [Member]
Mar. 31, 2013
Recurring [Member]
Level 1 [Member]
Dec. 31, 2013
Recurring [Member]
Level 2 [Member]
Mar. 31, 2013
Recurring [Member]
Level 2 [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Mar. 31, 2013
Recurring [Member]
Level 3 [Member]
Short-term Investments [Abstract]                                          
Mutual funds                           $ 496,000 $ 411,000 $ 496,000 $ 411,000 $ 0 $ 0 $ 0 $ 0
Prepaid expenses and other current assets [Abstract]                                          
Forward foreign currency exchange contracts                           0 683,000 0 0 0 683,000 0 0
Other current liabilities [Abstract]                                          
Deferred compensation                           496,000 411,000 496,000 411,000 0 0 0 0
Forward foreign currency exchange contracts                           76,000 0 0 0 76,000 0 0 0
Other liabilities [Abstract]                                          
Warrant liability                           6,485,000 2,014,000 0 0 0 0 6,485,000 2,014,000
Net gain (loss) on forward foreign currency exchange contracts         74,000 20,000 (759,000) 360,000                          
Fair value assumptions of warrants [Abstract]                                          
Risk free interest rate (in hundredths)                         1.12%                
Expected life                         3 years 9 months                
Expected volatility (in hundredths)                         45.29%                
Dividend yield (in hundredths)                         0.00%                
Probability of future financing (in hundredths)                         0.00%                
Change in warrant liability measured at fair value recurring basis using significant unobservable inputs (Level 3) [Rollforward]                                          
Beginning balance 5,975,000 1,568,000 2,014,000 0                                  
Newly issued 0 0 0 1,625,000                                  
Total loss included in net income (loss) 2,920,000 882,000 6,881,000 825,000         2,920,000 882,000 6,881,000 825,000                  
Exercises/settlements (2,410,000) [1] 0 (2,410,000) [1] 0                                  
Net transfers in (out) of Level 3 0 0 0 0                                  
Ending balance $ 6,485,000 $ 2,450,000 $ 6,485,000 $ 2,450,000                                  
[1] Represents the fair value of the Cerberus Warrant as of the settlement date (see Note 7).