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v3.19.3.a.u2

Fair Value Measurements (Details) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Mar. 31, 2019 USD ($) | Jan. 31, 2019 USD ($)
Contingent Consideration [Member] |  |  |  |  |  |
Change in contingent consideration measured at fair value recurring basis using significant unobservable inputs (Level 3) [Roll Forward] |  |  |  |  |  |
Beginning balance | $ 4,851,000 | $ 0 | $ 4,721,000 | $ 0 |  |
Newly issued | 0 | 3,560,000 | 0 | 3,560,000 |  |
Changes in revaluation of contingent consideration included in earnings | 310,000 | 0 | 440,000 | 0 |  |
Ending balance | 5,161,000 | 3,560,000 | 5,161,000 | 3,560,000 |  |
Recurring [Member] |  |  |  |  |  |
Short-term investments [Abstract] |  |  |  |  |  |
Mutual funds | 2,382,000 |  | 2,382,000 |  | $ 3,273,000 |
Prepaid expenses and other current assets [Abstract] |  |  |  |  |  |
Forward foreign currency exchange contracts | 1,223,000 |  | 1,223,000 |  | 207,000 |
Accrued liabilities [Abstract] |  |  |  |  |  |
Short-term contingent consideration | 4,659,000 |  | 4,659,000 |  | 2,816,000 |
Other current liabilities [Abstract] |  |  |  |  |  |
Deferred compensation | 2,382,000 |  | 2,382,000 |  | 3,273,000 |
Other liabilities [Abstract] |  |  |  |  |  |
Long-term contingent consideration | 502,000 |  | 502,000 |  | 1,905,000 |
Recurring [Member] | Level 1 [Member] |  |  |  |  |  |
Short-term investments [Abstract] |  |  |  |  |  |
Mutual funds | 2,382,000 |  | 2,382,000 |  | 3,273,000 |
Prepaid expenses and other current assets [Abstract] |  |  |  |  |  |
Forward foreign currency exchange contracts | 0 |  | 0 |  | 0 |
Accrued liabilities [Abstract] |  |  |  |  |  |
Short-term contingent consideration | 0 |  | 0 |  | 0 |
Other current liabilities [Abstract] |  |  |  |  |  |
Deferred compensation | 2,382,000 |  | 2,382,000 |  | 3,273,000 |
Other liabilities [Abstract] |  |  |  |  |  |
Long-term contingent consideration | 0 |  | 0 |  | 0 |
Recurring [Member] | Level 2 [Member] |  |  |  |  |  |
Short-term investments [Abstract] |  |  |  |  |  |
Mutual funds | 0 |  | 0 |  | 0 |
Prepaid expenses and other current assets [Abstract] |  |  |  |  |  |
Forward foreign currency exchange contracts | 1,223,000 |  | 1,223,000 |  | 207,000 |
Accrued liabilities [Abstract] |  |  |  |  |  |
Short-term contingent consideration | 0 |  | 0 |  | 0 |
Other current liabilities [Abstract] |  |  |  |  |  |
Deferred compensation | 0 |  | 0 |  | 0 |
Other liabilities [Abstract] |  |  |  |  |  |
Long-term contingent consideration | 0 |  | 0 |  | 0 |
Recurring [Member] | Level 3 [Member] |  |  |  |  |  |
Short-term investments [Abstract] |  |  |  |  |  |
Mutual funds | 0 |  | 0 |  | 0 |
Prepaid expenses and other current assets [Abstract] |  |  |  |  |  |
Forward foreign currency exchange contracts | 0 |  | 0 |  | 0 |
Accrued liabilities [Abstract] |  |  |  |  |  |
Short-term contingent consideration | 4,659,000 |  | 4,659,000 |  | 2,816,000 |
Other current liabilities [Abstract] |  |  |  |  |  |
Deferred compensation | 0 |  | 0 |  | 0 |
Other liabilities [Abstract] |  |  |  |  |  |
Long-term contingent consideration | $ 502,000 |  | $ 502,000 |  | $ 1,905,000 |
Two-year R&D Milestone Event [Member] | Risk Free Interest Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0159 |  | 0.0159 |  |  |
Two-year R&D Milestone Event [Member] | Counter Party Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0559 |  | 0.0559 |  |  |
Two-year R&D Milestone Event [Member] | Probability [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 1.0000 |  | 1.0000 |  |  |
Gross Profit Earn-out Consideration [Member] | Risk Free Interest Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0158 |  | 0.0158 |  |  |
Gross Profit Earn-out Consideration [Member] | Counter Party Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0558 |  | 0.0558 |  |  |
Gross Profit Earn-out Consideration [Member] | Expected Volatility [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.3000 |  | 0.3000 |  |  |
Gross Profit Earn-out Consideration [Member] | Weighted Average Cost of Capital [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.1575 |  | 0.1575 |  |  |
Revenue Earn-out Consideration [Member] | Risk Free Interest Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0159 |  | 0.0159 |  |  |
Revenue Earn-out Consideration [Member] | Counter Party Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0400 |  | 0.0400 |  |  |
Revenue Earn-out Consideration [Member] | Revenue Volatility [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0950 |  | 0.0950 |  |  |
Revenue Earn-out Consideration [Member] | Revenue Discount Rate [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.0550 |  | 0.0550 |  |  |
Revenue Earn-out Consideration [Member] | Weighted Average Cost of Capital [Member] |  |  |  |  |  |
Fair Value Assumptions [Abstract] |  |  |  |  |  |
Assumptions for fair value of contingent consideration | 0.1420 |  | 0.1420 |  |  |
Mechanical Power Conversion, LLC [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Aggregate contingent consideration obligation |  | $ 5,200,000 |  | $ 5,200,000 |  |
Contingent consideration payment period |  |  | 3 years |  |  |
Mechanical Power Conversion, LLC [Member] | Two-year R&D Milestone Event [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Fair value of contingent consideration obligations | $ 2,430,000 |  | $ 2,430,000 |  |  |
Term of R&D event milestone |  |  | 2 years |  |  |
Mechanical Power Conversion, LLC [Member] | Gross Profit Earn-out Consideration [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Fair value of contingent consideration obligations | 1,980,000 |  | $ 1,980,000 |  |  |
Term of gross profit earn-out arrangement |  |  | 3 years |  |  |
Dixie Electric, Ltd [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Contingent consideration payment period |  |  | 2 years |  |  |
Dixie Electric, Ltd [Member] | Maximum [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Aggregate contingent consideration obligation |  |  |  |  |  | $ 1,130,000
Dixie Electric, Ltd [Member] | Revenue Earn-out Consideration [Member] |  |  |  |  |  |
Contingent Consideration [Abstract] |  |  |  |  |  |
Fair value of contingent consideration obligations | $ 751,000 |  | $ 751,000 |  |  |

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