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Basis of Presentation and New Accounting Pronouncements (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2019
New Accounting Pronouncements Recently Adopted [Abstract] |  |  |  |
Operating lease liabilities | $ 66,796,000 | $ 66,796,000 |  |
Operating lease assets | 65,652,000 | 65,652,000 |  | $ 0
Gain in foreign currency-denominated lease liabilities | $ 2,128,000 | $ 1,491,000 | $ 0 |
ASU 2016-02 [Member] |  |  |  |
New Accounting Pronouncements Recently Adopted [Abstract] |  |  |  |
Operating lease liabilities |  |  |  | 53,043,000
Operating lease assets |  |  |  | $ 50,773,000

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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