Annual report pursuant to Section 13 and 15(d)

Amortization Period for Intangible Assets Acquired (Detail)

v2.4.1.9
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