Retirement Plans and Postretirement Medical Benefits (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Settlements	$ 91,339,000	$ 0	$ 0
Percent of all foreign plan assets	74.00%
Assumed health care cost trend rate	6.50%	6.50%
Next year's assumed health care cost trend rate	7.50%
Assumed health care cost trend rate decline	5.00%
Total contributions to defined contribution plans	$ 26,000,000	$ 28,000,000
Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,940,000	5,615,000
Unfunded Plan | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,000,000	6,000,000
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements	91,000,000
United States
Defined Benefit Plan Disclosure [Line Items]
Next year's anticipated total contributions to pension plans	0
United States | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, targeted terminated vesting, reduction amount	$ 122,000,000
Benefit obligation, targeted terminated vesting, reduction percentage	10.00%
Plan assets, targeted terminated vesting, reduction amount	$ 120,000,000
Settlements	88,051,000	771,000	394,000
Fair value of plan assets	$ 958,812,000	$ 1,153,490,000	1,161,361,000
United States | Pension Benefits | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Funded percentage	1.00%	1.00%
Foreign
Defined Benefit Plan Disclosure [Line Items]
Next year's anticipated total contributions to pension plans	$ 7,000,000
Foreign | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements	3,373,000	$ (25,000)	0
Fair value of plan assets	408,205,000	$ 466,687,000	$ 438,403,000
Canada | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, targeted terminated vesting, reduction amount	$ 7,000,000
Benefit obligation, targeted terminated vesting, reduction percentage	9.00%
Plan assets, targeted terminated vesting, reduction amount	$ 7,000,000