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Pension and Other Postretirement Benefit Plans - Narrative (Details) - Pension $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 03, 2020 USD ($) | Oct. 03, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |
Settlement loss | $ 10.2 | $ 10.2
Employer's contribution towards defined benefit plan |  | 10.7
Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Estimated employer's contribution towards defined benefit plan in current year | 10.0 | 10.0
Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Estimated employer's contribution towards defined benefit plan in current year | $ 20.0 | $ 20.0

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