Condensed Consolidated and Combined Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019
Cash flows from operating activities:
Net income (loss)	$ (75.1)	$ 161.5
Noncash items:
Depreciation	31.5	29.8
Amortization	68.0	67.3
Allowance for doubtful accounts	20.1	7.6
Stock-based compensation expense	16.7	12.5
Restructuring charges	11.1	0.0
Impairment charges	17.1	0.0
Amortization of right-of-use assets	23.1	29.2
Amortization of debt discount and issuance costs	8.0	0.0
Change in trade accounts receivable, net	64.3	(11.6)
Change in inventories, net	16.8	(4.5)
Change in trade accounts payable	(49.3)	(32.9)
Change in prepaid expenses and other assets	(33.8)	(38.9)
Change in accrued expenses and other liabilities	(0.8)	18.7
Change in operating lease liabilities	(27.2)	(28.2)
Net cash provided by operating activities	90.5	210.5
Cash flows from investing activities:
Acquisitions, net of cash acquired	(40.7)	0.0
Payments for additions to property, plant and equipment	(34.6)	(61.9)
Proceeds from sales of property, plant and equipment	0.0	1.6
All other investing activities	11.3	(2.3)
Net cash used in investing activities	(64.0)	(62.6)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes	517.5	0.0
Payment of debt issuance and other deferred financing costs	(17.2)	0.0
Proceeds from revolving line of credit	249.8	0.0
Repayment of revolving line of credit	(250.0)	0.0
Proceeds from borrowings	0.0	1,319.1
Purchase of capped calls related to issuance of convertible senior notes	(20.7)	0.0
Proceeds from stock option exercises	8.7	0.0
Proceeds from the public offering of common stock, net of issuance costs	0.0	643.4
Consideration to Danaher in connection with the Separation	0.0	(1,950.0)
Net transfers to Former Parent	0.0	(116.5)
All other financing activities	0.6	144.4
Net cash provided by in financing activities	488.7	40.4
Effect of exchange rate changes on cash and equivalents	(25.6)	4.9
Net change in cash and equivalents	489.6	193.2
Beginning balance of cash and equivalents	211.2	0.0
Ending balance of cash and equivalents	700.8	193.2
Supplemental data:
Cash paid for interest	34.3	0.0
Cash paid for taxes	22.3	28.5
ROU assets obtained in exchange for operating lease obligations	$ 16.0	$ 41.3