Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities
Net Income	$ 105.9	$ 91.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	58.9	55.1
Loss (gain) on sale of assets	0.1	(1.0)
Deferred income tax expense	2.0	0.0
Stock-based compensation expense	7.6	7.5
Pension and other postretirement expense	1.3	1.8
Pension and other postretirement benefit contributions and payments	(10.8)	(23.8)
Changes in operating assets and liabilities:
Accounts receivable	(112.8)	(70.8)
Unbilled receivables	(18.2)	(18.2)
Inventories	(12.5)	15.3
Accounts payable, trade	31.1	20.2
Other accrued expenses	(18.5)	(16.0)
Income taxes	14.0	3.5
Other, net	(8.8)	(6.4)
Net Cash Provided by Operating Activities	39.3	58.6
Investing Activities
Capital expenditures	(38.8)	(35.2)
Acquisitions, net of cash acquired of $6.9 million	(124.3)	0.0
Proceeds from disposal of property, plant and equipment	0.0	1.9
Investments in short-term marketable securities, net	6.1	0.8
Net Cash Used in Investing Activities	(157.0)	(32.5)
Financing Activities
Cash dividends paid to shareholders	(25.3)	(25.1)
Purchase of treasury shares	(28.0)	(23.1)
Proceeds from exercise of stock options	2.9	0.3
Payments related to tax withholding for stock-based compensation	(9.2)	(9.5)
Borrowings on accounts receivable facility	135.0	57.0
Payments on accounts receivable facility	(35.0)	(27.0)
Proceeds from long-term debt	276.5	0.0
Payments on long-term debt	(218.9)	(1.2)
Short-term debt activity, net	4.1	(2.0)
Net Cash Provided by (Used in) Financing Activities	102.1	(30.6)
Effect of exchange rate changes on cash	(4.3)	7.4
(Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(19.9)	2.9
Cash, cash equivalents and restricted cash at beginning of year	365.4	373.6
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 345.5	$ 376.5