Employee Benefits - Schedule of Components of Our Company-Sponsored Pension Plan Costs - (Details) - Qualified and Nonqualified - Defined Benefit Pension Plans - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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Defined Benefit Plan Disclosure [Line Items] | ||||
Interest cost | $ 9.6 | $ 11.4 | $ 19.2 | $ 22.8 |
Expected return on plan assets | (14.9) | (14.3) | (29.9) | (28.6) |
Amortization of prior service credit | (0.1) | (0.1) | (0.2) | (0.2) |
Amortization of prior net pension loss | 3.7 | 3.2 | 7.5 | 6.4 |
Total net periodic pension cost | $ (1.7) | $ 0.2 | $ (3.4) | $ 0.4 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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