Other long-term liabilities (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Long-term contract liability | $ 0.2 | ||
| Net pension liability | 1.2 | $ 1.2 | |
| Accrued LTIP and director share units | 1.6 | 1.4 | |
| Other | 1.7 | 2.4 | |
| Other long-term liabilities | 4.7 | 5.0 | |
| Asset retirement obligations rollforward | |||
| Asset retirement obligations beginning of year | 49.2 | 45.3 | |
| Accretion and change in estimate of asset retirement obligation | 2.3 | 4.3 | |
| Acquisition | 1.8 | ||
| Costs incurred | (1.0) | (0.5) | |
| Translation adjustments | 1.0 | (1.7) | |
| Asset retirement obligations, end of year | $ 45.3 | 51.5 | 49.2 |
| San Diego Projects | |||
| Asset retirement obligations rollforward | |||
| Acquisition | 6.7 | ||
| Amortization expense of intangible assets | 5.0 | ||
| Amount of increase in asset retirement obligations | $ 1.4 | $ 3.5 | |
| Asset Impairment Charges | |||
| Project removal obligation | $ 1.7 | ||
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- Definition This represents the liability accrued for the Long term incentive plan. No definition available.
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- Definition Net increase (decrease) in asset retirement obligation due to accretion expenses and revision of estimate recognized during the period. No definition available.
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- Definition Amount accrued for the estimated removal costs associated with decommissioning projects as of the balance sheet date. No definition available.
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset retirement obligations incurred during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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