CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Apr. 05, 2026	Mar. 30, 2025
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract]
Net income (loss)	$ 37.3	$ (143.0)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	24.9	23.5
Reduction of right of use asset	4.1	3.9
Provision for litigation accrual and credit losses	0.0	215.0
Restructuring and other items	0.0	5.5
Other non-cash items, net	4.4	(39.9)
Net changes in operating assets and liabilities	(38.6)	(69.4)
Net cash provided by (used in) operating activities	32.1	(4.4)
Investing Activities:
Purchases of property, plant, and equipment	(23.1)	(18.3)
Proceeds from sale of short-term investments	0.0	3.1
Purchases of short-term investments	(1.3)	(4.5)
Other investing activities	(5.0)	(2.1)
Net cash used in investing activities	(29.4)	(21.8)
Financing Activities:
Net proceeds from issuance of short-term debt	5.6	14.5
Repayment of long-term debt	(1.5)	0.0
Purchase of common stock for treasury	(5.4)	(11.5)
Proceeds from issuance of stock under option plan	1.0	0.1
Excess tax benefits related to stock incentive programs	(3.3)	(3.4)
Dividends paid to non-controlling interests	(3.8)	0.0
Cash dividends paid	(3.7)	(3.6)
Net cash used in financing activities	(11.1)	(3.9)
Effect of exchange rate changes on cash and cash equivalents	(4.7)	3.6
Net decrease in cash and cash equivalents	(13.1)	(26.5)
Cash and cash equivalents at beginning of period	329.0	333.1
Cash and cash equivalents at end of period	315.9	306.6
Supplemental disclosure of cash flow information:
Interest paid	18.9	19.6
Income taxes paid	10.9	9.8
Non-cash financing activities:
Treasury stock purchases settled after period end	0.1	0.3
Excise tax charged to equity not paid	$ 0.0	$ 0.1