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Employee Benefits - Cash Flows Narrative (Details) $ in Millions | Dec. 31, 2020 USD ($)
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Other Post-Retirement Benefits |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected amortization of prior service credit, next fiscal year | $ 0.4
Expected amortization of net gain, next fiscal year | 0.2
Expected employer contributions during next fiscal year | 5.0
U.S. | Pension Plan |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected employer contributions during next fiscal year | 95.0
U.K. | Pension Plan |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected employer contributions during next fiscal year | 8.0
Other | Pension Plan |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Expected employer contributions during next fiscal year | $ 19.0

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