Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net Income (Loss)	$ 264.9	$ 223.8	$ 202.9
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	103.2	89.2	83.7
Deferred income taxes	0.2	(0.8)	(1.6)
Share-based compensation	18.3	18.8	14.3
Equity (earnings) from unconsolidated affiliates, net	(103.4)	(89.3)	(77.6)
Loss on sales of fixed assets, net	0.6	0.0	0.0
Loss related to change in fair value of contingent consideration	1.6	0.1	11.0
Payments of contingent consideration in excess of acquisition date fair value	0.0	(5.0)	(1.9)
Write-off of debt refinancing fees	0.0	0.0	0.6
Other non-cash adjustments, net	(0.1)	(0.5)	0.3
Changes in operating assets and liabilities:
Receivables	(24.6)	(1.6)	(12.4)
Inventories	1.9	6.1	(19.7)
Accounts payable and accrued expenses	27.3	8.0	(1.8)
Income taxes receivable and payable, net	(5.4)	3.2	(6.9)
Other assets and liabilities	(17.7)	(18.5)	(8.5)
Net cash provided by operating activities	266.8	233.5	182.4
Cash flows from investing activities:
Purchases of property, plant and equipment	(82.8)	(83.8)	(74.8)
Return of investment from joint venture	97.8	96.9	104.5
Cash paid for acquisitions, net of cash acquired	(123.5)	(26.5)	(2.8)
Investment in unconsolidated affiliate	(5.5)	0.0	0.0
Proceeds from the sales of fixed assets	24.3	0.0	0.0
Proceeds from company-owned life insurance, net	10.4	3.0	1.3
Net cash (used for) provided by investing activities	(79.3)	(10.4)	28.2
Cash flows from financing activities:
Proceeds from revolving credit facility	138.0	55.0	355.0
Payments of revolving credit facility	(178.0)	(120.0)	(315.0)
Proceeds from long-term debt	0.0	0.0	450.0
Payments of long-term debt	(22.5)	0.0	(468.7)
Financing costs	0.0	0.0	(3.1)
Payments for finance leases	(3.3)	(2.7)	(2.2)
Dividends paid	(50.6)	(46.9)	(44.2)
Payments from share-based compensation plans, net of tax	(4.9)	(1.8)	(2.0)
Payments of acquisition related contingent consideration	0.0	(10.2)	(6.7)
Payments for treasury stock acquired	(55.0)	(132.0)	(165.0)
Payments of excise tax for treasury stock acquired, net	(1.3)	0.0	0.0
Net cash (used for) financing activities	(177.6)	(258.6)	(201.9)
Effect of exchange rate changes on cash and cash equivalents	(1.4)	0.3	(0.8)
Net increase (decrease) in cash and cash equivalents	8.5	(35.2)	7.9
Cash and cash equivalents at beginning of year	70.8	106.0	98.1
Cash and cash equivalents at end of year	79.3	70.8	106.0
Supplemental Cash Flow Disclosures:
Interest paid	37.4	33.9	26.9
Income tax payments, net	87.6	72.1	63.2
Amounts in accounts payable for capital expenditures	4.9	2.4	2.8
Purchase of property, plant and equipment through vendor financing	$ 1.1	$ 0.0	$ 0.0