Additional Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Other non-current assets:
Corporate owned life insurance policies	$ 3,721	$ 3,673
Prepaid Expense, Noncurrent	553	0
Other	644	506
Total	4,918	4,179
Accrued liabilities:
Salaries, wages, and related benefits	5,916	6,916
Other taxes payable	913	1,035
Accrued Legal Settlements	1,601	1,664
Restructuring liabilities	438	584
Accrued Professional Fees, Current	642	701
Income taxes payable	1,432	631
Deferred Rent, Current	420	362
BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognizedCurrent	180	0
Other	927	1,045
Total	12,469	12,938
Other non-current liabilities:
Income taxes payable/Uncertain tax positions	2,708	2,469
Deferred rent	1,802	1,976
BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognizedNonCurrent	1,620	0
Other	483	195
Total	$ 6,613	$ 4,640