Pension Benefits - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) employees	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 30.6	$ 28.9	$ 26.1
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash			50.6
Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Number of participants and beneficiaries | employees	3,100
Contribution as a percentage of compensation	3.00%
Actuarial loss amortization period	26 years
Amounts that will be amortized from AOCI in next fiscal Year	$ 1.4
Unfunded liability	(23.6)	(12.9)
Pension expense	3.8	0.6	58.6
Unrecognized pension gain (loss) arising during the year	12.0	6.0	7.8
Payment for Pension Benefits			117.1
Plan Amendments	0.0	18.3
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Unfunded liability	22.0	28.0
Pension expense	0.8	0.7	0.8
Unrecognized pension gain (loss) arising during the year	$ 4.8	$ 1.3	(2.7)
Terminal Funding Annuity
Defined Benefit Plan Disclosure [Line Items]
Proceeds from Annuities and Investment Certificates			$ 202.5