Fair Value Measurements (Details) - USD ($)	12 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Forward Foreign Currency Exchange Contracts [Member]
Other liabilities [Abstract]
Net gain on forward foreign currency exchange contracts	$ 843,000	$ 777,000
Supplier Warrant [Member]
Fair value assumptions of warrants [Abstract]
Risk free interest rate	0.91%
Expected life	6 months
Expected volatility	39.00%
Dividend yield	0.00%
Probability of future financing	0.00%
Change in warrant liability measured at fair value recurring basis using significant unobservable inputs (Level 3) [Rollforward]
Beginning balance	$ 15,643,000	10,506,000
Newly issued	0	0
Total gain (loss) included in net loss	(3,764,000)	5,137,000
Exercises/settlements	0	0
Net transfers in (out) of Level 3	0	0
Ending balance	11,879,000	15,643,000
Contingent Consideration [Member]
Change in warrant liability measured at fair value recurring basis using significant unobservable inputs (Level 3) [Rollforward]
Beginning balance	330,000	0
Newly issued	0	1,320,000
Total gain (loss) included in net loss	(16,000)	(990,000)
Exercises/settlements	(314,000)	0
Net transfers in (out) of Level 3	0	0
Ending balance	0	330,000
Recurring [Member]
Short-Term Investments [Abstract]
Mutual funds	2,140,000	1,813,000
Prepaid Expense and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	427,000	0
Accrued liabilities [Abstract]
Contingent consideration	0	224,000
Other current liabilities [Abstract]
Deferred compensation	2,140,000	1,813,000
Forward foreign currency exchange contracts	0	416,000
Other liabilities [Abstract]
Warrant liability	11,879,000	15,643,000
Contingent consideration	0	106,000
Recurring [Member] \| Level 1 [Member]
Short-Term Investments [Abstract]
Mutual funds	2,140,000	1,813,000
Prepaid Expense and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	0	0
Accrued liabilities [Abstract]
Contingent consideration	0	0
Other current liabilities [Abstract]
Deferred compensation	2,140,000	1,813,000
Forward foreign currency exchange contracts	0	0
Other liabilities [Abstract]
Warrant liability	0	0
Contingent consideration	0	0
Recurring [Member] \| Level 2 [Member]
Short-Term Investments [Abstract]
Mutual funds	0	0
Prepaid Expense and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	427,000	0
Accrued liabilities [Abstract]
Contingent consideration	0	0
Other current liabilities [Abstract]
Deferred compensation	0	0
Forward foreign currency exchange contracts	0	416,000
Other liabilities [Abstract]
Warrant liability	0	0
Contingent consideration	0	0
Recurring [Member] \| Level 3 [Member]
Short-Term Investments [Abstract]
Mutual funds	0	0
Prepaid Expense and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	0	0
Accrued liabilities [Abstract]
Contingent consideration	0	224,000
Other current liabilities [Abstract]
Deferred compensation	0	0
Forward foreign currency exchange contracts	0	0
Other liabilities [Abstract]
Warrant liability	11,879,000	15,643,000
Contingent consideration	$ 0	$ 106,000

Refers to contingent consideration current at fair value disclosure.

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Refers to contingent consideration noncurrent at fair value disclosure.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of deferred compensation liability as of the balance sheet date.

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Percentage of likelihood of a future event, used as an input to measure fair value.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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-Name Accounting Standards Codification
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Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Risk-free interest rate assumption used in valuing an instrument.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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