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Amortization Period for Intangible Assets Acquired (Detail)	12 Months Ended
	Mar. 31, 2015
Mirror Image International Holdings Pvt Ltd
Business Acquisition [Line Items]
Useful life of goodwill	Indefinite
Mirror Image International Holdings Pvt Ltd | Customer relationships
Business Acquisition [Line Items]
Remaining useful life	14 years
Mirror Image International Holdings Pvt Ltd | Developed technology
Business Acquisition [Line Items]
Remaining useful life	5 years
Mirror Image International Holdings Pvt Ltd | Trade names / Trademarks
Business Acquisition [Line Items]
Remaining useful life	5 years
Mirror Image International Holdings Pvt Ltd | Library
Business Acquisition [Line Items]
Remaining useful life	5 years
DT Media (Appia)
Business Acquisition [Line Items]
Useful life of goodwill	Indefinite
DT Media (Appia) | Developed technology
Business Acquisition [Line Items]
Remaining useful life	4 years
DT Media (Appia) | Trade names / Trademarks
Business Acquisition [Line Items]
Remaining useful life	2 years
DT Media (Appia) | Publisher relationships
Business Acquisition [Line Items]
Remaining useful life	2 years
DT Media (Appia) | Advertiser relationships
Business Acquisition [Line Items]
Remaining useful life	2 years

X

- Definition

Intangible assets useful life.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Details

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