Forward Contracts Outstanding with Total Notional Values (Detail) - Jun. 30, 2016 - Foreign Exchange Forward € in Thousands, ₨ in Thousands, £ in Thousands, AUD in Thousands, $ in Thousands	USD ($)	AUD	GBP (£)	INR (₨)	EUR (€)
Euro Member Countries, Euros
Derivative [Line Items]
Notional amount | €					€ 24,735
British Pounds
Derivative [Line Items]
Notional amount | £			£ 7,885
Australian Dollar
Derivative [Line Items]
Notional amount | AUD		AUD 25,830
Indian Rupees
Derivative [Line Items]
Notional amount | ₨				₨ 353,500
United States of America, Dollars
Derivative [Line Items]
Notional amount | $	$ 93,460