XML 55 R40.htm IDEA: XBRL DOCUMENT v3.5.0.2
Goodwill and Intangible Assets - Estimated Aggregate Finite-Lived Intangible Asset Amortization Expense (Detail)
$ in Millions
Sep. 30, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2016 $ 20.8
2017 20.6
2018 20.0
2019 20.0
2020 $ 11.9