CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Cash flows from (used in) operating activities:
Net income	$ 58,400,000	$ 27,500,000
Less: Loss from discontinued operations, net of tax	(54,700,000)	(17,100,000)
Income from continuing operations	113,100,000	44,600,000
Adjustments to reconcile income from continuing operations to net cash from (used in) operating activities:
Special charges, net	0	100,000
(Gain) loss on change in fair value of equity security	(3,600,000)	3,000,000.0
Deferred and other income taxes	(22,500,000)	(16,900,000)
Depreciation and amortization	46,400,000	36,900,000
Pension and other employee benefits	8,200,000	10,000,000.0
Long-term incentive compensation	10,000,000.0	7,700,000
Other, net	(4,500,000)	1,400,000
Changes in operating assets and liabilities, net of effects from acquisitions and divestitures:
Accounts receivable and other assets	(16,700,000)	(20,900,000)
Inventories	(21,600,000)	(78,400,000)
Accounts payable, accrued expenses and other	11,200,000	(76,500,000)
Cash spending on restructuring actions	0	(400,000)
Net cash from (used in) continuing operations	120,000,000.0	(89,400,000)
Net cash used in discontinued operations	(38,000,000.0)	(21,100,000)
Net cash from (used in) operating activities	82,000,000.0	(110,500,000)
Cash flows from (used in) investing activities:
Proceeds related to company-owned life insurance policies, net	2,600,000	4,600,000
Business acquisitions, net of cash acquired	(547,300,000)	(40,000,000.0)
Capital expenditures	(16,500,000)	(10,000,000.0)
Net cash used in continuing operations	(561,200,000)	(45,400,000)
Net cash used in discontinued operations	0	(13,900,000)
Net cash used in investing activities	(561,200,000)	(59,300,000)
Cash flows from (used in) financing activities:
Borrowings under senior credit facilities	851,300,000	245,000,000.0
Repayments under senior credit facilities	(455,000,000.0)	(243,700,000)
Borrowings under trade receivables arrangement	81,000,000.0	0
Repayments under trade receivables arrangement	(49,000,000.0)	0
Net repayments under other financing arrangements	(400,000)	(700,000)
Payment of contingent consideration	0	(1,300,000)
Minimum withholdings paid on behalf of employees for net share settlements, net of proceeds from the exercise of employee stock options	(1,500,000)	(4,900,000)
Repurchases of common stock	0	(33,700,000)
Financing fees paid	(1,300,000)	(1,900,000)
Net cash from (used in) continuing operations	425,100,000	(41,200,000)
Net cash from discontinued operations	0	1,000,000.0
Net cash from (used in) financing activities	425,100,000	(40,200,000)
Change in cash and equivalents due to changes in foreign currency exchange rates	(1,000,000.0)	1,300,000
Net change in cash and equivalents	(55,100,000)	(208,700,000)
Consolidated cash and equivalents, beginning of period	157,100,000	396,000,000.0
Consolidated cash and equivalents, end of period	$ 102,000,000.0	$ 187,300,000