Acquisitions and Divestitures - Intangible Allocation (Detail) - USD ($) $ in Millions |
Oct. 30, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
---|---|---|---|
Intangible assets | |||
Other intangible assets | $ 53.0 | $ 141.0 | |
Customer and supplier relationships [Member] | |||
Intangible assets | |||
Other intangible assets | 38.0 | 124.0 | |
Covenants not-to-compete [Member] | |||
Intangible assets | |||
Other intangible assets | $ 15.0 | 16.0 | |
Other Intangible Assets [Member] | |||
Intangible assets | |||
Other intangible assets | $ 1.0 | ||
Advanced Disposal [Member] | |||
Intangible assets | |||
Other intangible assets | $ 604.0 | ||
Advanced Disposal [Member] | Other Intangible Assets [Member] | |||
Intangible assets | |||
Other intangible assets | $ 29.0 | ||
Weighted average amortization periods | 7 years | ||
Advanced Disposal [Member] | Customer Relationships [Member] | |||
Intangible assets | |||
Other intangible assets | $ 575.0 | ||
Weighted average amortization periods | 15 years |