Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net earnings (loss)	$ 235.4	$ (511.4)	$ (136.8)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	104.7	112.4	108.9
Amortization of intangibles and supply agreements	17.7	23.6	71.0
Long-lived asset impairment	19.0	6.3	443.7
Goodwill impairment	0.0	676.0	0.0
Increase (decrease) in provision for losses on accounts receivable	6.7	6.3	(6.5)
Write-down of inventories	12.5	35.7	9.0
Gain on sale of Aerospace Products Group	(90.9)	0.0	0.0
Net gain on disposal of assets and businesses	(64.1)	(35.6)	(20.1)
Deferred income tax benefit	(20.2)	(58.0)	(129.2)
Stock-based compensation	19.6	26.5	27.6
Pension expense (income), net of contributions	18.3	1.1	(2.0)
Other, net	(3.8)	(7.2)	15.6
Changes in working capital, excluding effects from acquisitions and divestitures:
Accounts and other receivables	85.4	42.5	48.6
Inventories	35.0	44.7	86.5
Other current assets	(5.3)	3.6	4.0
Accounts payable	(27.5)	(27.9)	13.7
Accrued expenses and other current liabilities	(4.3)	(32.9)	(36.8)
Net Cash Provided by Operating Activities	338.2	305.7	497.2
Investing Activities
Additions to property, plant and equipment	(57.2)	(81.6)	(113.8)
Proceeds from disposal of Aerospace Products Group	276.1	0.0	0.0
Proceeds from disposals of assets and businesses	74.4	47.0	23.4
Other, net	0.0	(2.0)	(0.9)
Net Cash Provided by (Used for) Investing Activities	293.3	(36.6)	(91.3)
Financing Activities
Additions to long-term debt	0.0	0.0	0.7
Payments on long-term debt	(0.1)	(300.1)	(2.0)
Change in commercial paper and short-term debt		174.2
Change in commercial paper and short-term debt	(376.1)		(105.8)
Dividends paid	(27.0)	(136.3)	(239.4)
Purchases of common stock	(2.4)	(4.9)	(6.0)
Other, net	(7.6)	(2.9)	(6.3)
Net Cash Used for Financing Activities	(413.2)	(270.0)	(358.8)
Effect of Exchange Rate Changes on Cash	18.9	(14.4)	1.9
Increase (Decrease) in Cash and Cash Equivalents	237.2	(15.3)	49.0
Cash and Cash Equivalents—Beginning of Year	350.2	365.5	316.5
Cash and Cash Equivalents—End of Year	587.4	350.2	365.5
Supplemental Information
Interest paid (net of amounts capitalized)	69.7	84.9	85.8
Property, plant and equipment acquired through finance leases	1.7	1.1	1.4
Capital expenditures in accounts payable	$ 4.1	$ 4.7	$ 3.2