Goodwill and Other Intangible Assets - Weighted Average Remaining Useful Life (Details) |
12 Months Ended | |
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Mar. 31, 2019 |
Mar. 31, 2018 |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 11 years 8 months | 6 years 1 month |
| Customer relationships [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 12 years | 0 years |
| Other intangible assets [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 7 years 6 months | 6 years 1 month |
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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