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Disaggregation of revenue (Table Text Block) | 12 Months Ended
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Mar. 31, 2019
Revenue From Contract With Customer [Abstract] |
Disaggregation of revenue |
|  | Years Ended March 31,
|  | 2019 |  | 2018 |  | 2017
|  | (In thousands)
Revenues recognized over time | $ | 2,814,732 | $ | 2,617,990 | $ | 2,494,060
Revenues recognized at a point in time |  | 305,408 |  | 301,152 |  | 291,886
Total revenues recognized under ASC 606 |  | 3,120,140 |  | 2,919,142 |  | 2,785,946
Revenues recognized under ASC 840 |  | 406,070 |  | 353,924 |  | 311,403
Revenues recognized under ASC 944 |  | 131,563 |  | 217,575 |  | 222,142
Revenues recognized under ASC 320 |  | 110,934 |  | 110,473 |  | 102,276
Total revenues | $ | 3,768,707 | $ | 3,601,114 | $ | 3,421,767

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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