CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net earnings (loss)	$ 5.8	$ (256.8)
Adjustments to reconcile net earnings (loss) to cash from operating activities:
Goodwill, Impairment Loss	0.0	249.4
Stock-based compensation	16.5	14.1
Depreciation and amortization	18.1	27.4
Deferred income taxes	4.8	0.9
Asset Impairment Charges	3.6	0.0
Disposal Group, Including Discontinued Operation, Disposal Group Impairment	1.6	0.0
Non-cash interest expense and amortization of debt issuance costs	2.8	4.3
Restructuring charges	0.0	0.4
Gain (Loss) on Disposition of Other Assets	0.0	(1.1)
Gain (Loss) on Disposition of Intangible Assets	0.0	(7.2)
Other, net	3.6	(0.4)
Changes in assets and liabilities (excluding effects of foreign exchange):
Receivables, net	2.8	(1.0)
Inventories	(0.4)	3.4
Prepaid and other current assets	(1.7)	(2.4)
Accounts payable	(20.8)	2.8
Accrued compensation and employee benefits	(6.6)	(0.6)
Other accrued expenses	(5.4)	(2.6)
Increase Decrease Accrued Taxes, Net	(0.9)	17.2
Other non-current assets and non-current liabilities	13.9	(5.6)
Net Cash Provided by (Used in) Operating Activities	37.7	42.2
Investing Activities
Proceeds from Sale of Other Assets	0.0	7.2
Capital expenditures	(9.1)	(6.6)
Payments for (Proceeds from) Investments	(1.6)	(0.5)
Proceeds from Sale of Short-term Investments	1.6	0.5
Proceeds from CMM Sale Seller Loan Repayment	0.5	0.0
Net Cash Provided by (Used in) Investing Activities, Total	(8.6)	0.6
Financing Activities
Repayments of Lines of Credit	(15.0)	(92.0)
Borrowings under revolving credit facility	0.0	78.0
Tax on restricted and performance stock unit vesting and stock option exercises	(6.9)	(5.9)
Payments for Repurchase of Common Stock	35.0	25.0
Payments of finance lease obligations	(0.2)	(1.3)
Proceeds from exercise of stock options	0.6	0.2
Net Cash Provided by (Used in) Financing Activities, Total	(56.5)	(46.0)
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of exchange rate changes on cash and cash equivalents	0.5	(0.1)
Net decrease in cash and cash equivalents	(26.9)	(3.3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	103.2	84.0	$ 130.1	$ 87.3
Supplemental information - cash paid for:
Income taxes	6.1	6.3
Interest	$ 4.2	$ 6.9