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Definite Lived Long-Lived Assets - Future Amortization Expense (Detail)
$ in Millions
Mar. 31, 2017
USD ($)
Intangible Assets Disclosure [Abstract]  
Remainder Fiscal 2017 $ 11.1
2018 44.3
2019 38.8
2020 25.3
2021 25.3
2022 $ 25.3