Retirement Benefits - Schedule of Net Benefit Costs (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
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Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||||||
Service cost | $ 0.0 | $ 0.1 | $ 0.0 | $ 0.2 | ||
Interest cost | 0.5 | 0.7 | 1.0 | 1.2 | ||
Expected return on plan assets | (0.7) | (1.0) | (1.4) | (1.8) | ||
Amortization of net actuarial losses | [1] | 0.0 | 0.2 | 0.0 | 0.4 | |
Net periodic pension cost | $ (0.2) | $ 0.0 | $ (0.4) | $ 0.0 | ||
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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 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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- References No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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