Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022
Cash flows from operating activities:
Net income	$ 95.7	$ 122.0
Noncash items:
Depreciation	17.9	16.1
Amortization	52.0	50.3
Allowance for credit losses	3.2	3.6
Stock-based compensation expense	20.2	15.8
Gain on sale of equity investment	(6.9)	0.0
Gain on sale of property, plant and equipment	0.0	(1.1)
Gain on sale of KaVo treatment unit and instrument business	0.0	(8.9)
Restructuring charges	0.8	3.8
Impairment charges	0.2	4.9
Amortization of right-of-use assets	13.1	11.2
Amortization of debt discount and issuance costs	2.1	2.0
Change in trade accounts receivable	(24.0)	(56.6)
Change in inventories	(3.9)	(29.5)
Change in trade accounts payable	(47.1)	5.9
Change in prepaid expenses and other assets	(1.1)	(17.4)
Change in accrued expenses and other liabilities	(27.2)	(80.9)
Change in operating lease liabilities	(16.8)	(15.5)
Net cash provided by operating activities	78.2	25.7
Cash flows from investing activities:
Payments for additions to property, plant and equipment	(31.6)	(31.9)
Proceeds from sale of equity investment	10.7	0.0
Acquisitions, net of cash acquired	0.0	(569.8)
Proceeds from sale of KaVo treatment unit and instrument business, net	0.0	28.8
All other investing activities, net	(3.9)	(13.6)
Net cash used in investing activities	(24.8)	(586.5)
Cash flows from financing activities:
Proceeds from stock option exercises	5.9	15.4
Tax withholding payment related to net settlement of equity awards	(6.4)	(8.1)
Proceeds from borrowings	0.0	0.3
Repayment of borrowings	0.0	(0.5)
All other financing activities	1.6	0.0
Net cash provided by financing activities	1.1	7.1
Effect of exchange rate changes on cash and cash equivalents	(9.7)	3.2
Net change in cash and cash equivalents	44.8	(550.5)
Beginning balance of cash and cash equivalents	606.9	1,073.6
Ending balance of cash and cash equivalents	651.7	523.1
Supplemental data:
Cash paid for interest	35.3	13.8
Cash paid for taxes	33.5	52.6
ROU assets obtained in exchange for operating lease obligations	$ 12.1	$ 18.3