Estimated amortization of the intangible assets with definite useful lives (Detail) $ in Thousands	Jun. 30, 2015 USD ($)
Expected Amortization Expense [Line Items]
Future Amortization Expense Remainder Of Fiscal Year	$ 7,263
Future Amortization Expense Year One	13,414
Future Amortization Expense Year Two	10,665
Future Amortization Expense Year Three	10,573
Future Amortization Expense Year Four	9,997
Future Amortization Expense Year Five	$ 6,131