Acquisitions and Disposals - Amortization Period for Intangible Assets Acquired (Detail) - DT Media (Appia) |
12 Months Ended |
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Mar. 31, 2017 | |
| Developed technology | |
| Business Acquisition [Line Items] | |
| Remaining useful life | 4 years |
| Trade name / trademark | |
| Business Acquisition [Line Items] | |
| Remaining useful life | 2 years |
| Publisher relationships | |
| Business Acquisition [Line Items] | |
| Remaining useful life | 2 years |
| Advertiser relationships | |
| Business Acquisition [Line Items] | |
| Remaining useful life | 2 years |
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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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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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