Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Annual Scheduled Principal Payments of Debt (Detail)

v3.10.0.1
Long-Term Debt - Annual Scheduled Principal Payments of Debt (Detail)
$ in Millions
Sep. 30, 2018
USD ($)
Debt Disclosure [Abstract]  
2018 $ 5.7
2019 697.5
2020 22.0
2021 26.3
2022 27.8
Thereafter 1,849.4
Total $ 2,628.7