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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Mar. 31, 2017
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 160,555 | $ 104,965
Accumulated Amortization | (73,008) | (57,401)
Net Carrying Amount | 87,547 | 47,564
Trademark and tradenames |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 23,870 | 16,500
Accumulated Amortization | (9,482) | (6,933)
Net Carrying Amount | 14,388 | 9,567
Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 77,175 | 63,285
Accumulated Amortization | (50,755) | (42,831)
Net Carrying Amount | 26,420 | 20,454
Customer contracts/relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 59,510 | 25,180
Accumulated Amortization | (12,771) | (7,637)
Net Carrying Amount | $ 46,739 | $ 17,543

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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