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12. Commitments & Contingent Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Purchase Commitment, Excluding Long-term Commitment [Line Items]    
Post-Employment Benefits Liability $ 2.5 $ 3.5
Recorded Unconditional Purchase Obligation 123.0  
Recorded Unconditional Purchase Obligation Due in Next Twelve Months 4.6  
Recorded Unconditional Purchase Obligation Due in Second Year 13.8  
Recorded Unconditional Purchase Obligation Due in Third Year 21.6  
Recorded Unconditional Purchase Obligation Due in Fourth Year 4.1  
Recorded Unconditional Purchase Obligation Due in Fifth Year 43.7  
Recorded Unconditional Purchase Obligation Due after Fifth Year 35.2  
Unrecorded Unconditional Purchase Obligation 17.2  
Unrecorded Unconditional Purchase Obligation, Due in Twelve Months 17.1  
Unrecorded Unconditional Purchase Obligation, Due within Two Years 0.1  
Unrecorded Unconditional Purchase Obligation, Due within Three Years 0.0  
Unrecorded Unconditional Purchase Obligation, Due within Four Years 0.0  
Unrecorded Unconditional Purchase Obligation, Due within Five Years 0.0  
Unrecorded Unconditional Purchase Obligation, Due after Five Years 0.0  
Letters of Credit Outstanding Amount $ 4.7  
Employees Covered By Collective Bargaining Agreements U.S., Percentage 7.00%  
Defined Benefit Plan, Accumulated Benefit Obligation $ 114.9 142.1
Deferred Compensation Cash-based Arrangements, Liability, Current 1.2 3.8
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets $ 32.5 $ 62.7
UNITED STATES    
Purchase Commitment, Excluding Long-term Commitment [Line Items]    
Entity Number of Employees 3,450