Landfill and Environmental Costs - Environmental Remediation Liability (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Activity in environmental remediation liabilities | ||
| Environmental remediation liabilities, beginning of year | $ 564.0 | $ 602.9 |
| Net additions charged to expense | 2.5 | 0.0 |
| Payments | (21.2) | (23.8) |
| Accretion expense (non-cash interest expense) | 10.1 | 10.6 |
| Acquisitions, net of divestitures and other adjustments | 0.0 | (6.1) |
| Environmental remediation liabilities, end of period | 555.4 | 583.6 |
| Less: current portion | (69.5) | (74.3) |
| Long-term portion | $ 485.9 | $ 509.3 |
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- Definition Accrual for environmental loss contingencies accretion expense. No definition available.
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in the obligation for environmental loss contingencies from business acquisitions (divestitures). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash outflow to settle environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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