Condensed Consolidated and Combined Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019
Cash flows from operating activities:
Net (loss) income	$ (110.7)	$ 99.4
Noncash items:
Depreciation	19.6	19.8
Amortization	45.3	45.0
Allowance for doubtful accounts	11.6	3.1
Stock-based compensation expense	11.7	8.9
Restructuring charges	9.0	0.0
Impairment charges	10.3	0.0
Amortization of right-of-use assets	15.2	16.1
Amortization of debt discount and issuance costs	2.7	0.0
Change in trade accounts receivable, net	126.1	(16.1)
Change in inventories, net	(9.4)	(1.7)
Change in trade accounts payable	(77.1)	(24.4)
Change in prepaid expenses and other assets	(3.0)	(28.0)
Change in accrued expenses and other liabilities	(90.8)	10.4
Change in operating lease liabilities	(18.1)	(19.8)
Net cash (used in) provided by operating activities	(57.6)	112.7
Cash flows from investing activities:
Acquisitions, net of cash acquired	(40.7)	0.0
Payments for additions to property, plant and equipment	(21.4)	(42.1)
Proceeds from sales of property, plant and equipment	0.0	0.4
All other investing activities	7.7	(0.2)
Net cash used in investing activities	(54.4)	(41.9)
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	(17.3)	0.0
Proceeds from revolving line of credit	249.8	0.0
Repayment of borrowings	(0.1)	0.0
Purchase of capped calls related to issuance of convertible senior notes	(20.7)	0.0
Proceeds from stock option exercises	5.0	0.0
Net transfers to Former Parent	0.0	(70.8)
All other financing activities	(1.1)	0.0
Net cash provided by (used) in financing activities	733.1	(70.8)
Effect of exchange rate changes on cash and equivalents	(9.9)	0.0
Net change in cash and equivalents	611.2	0.0
Beginning balance of cash and equivalents	211.2	0.0
Ending balance of cash and equivalents	822.4	0.0
Supplemental data:
Cash paid for interest	16.8	0.0
Cash paid for taxes	14.2	11.7
ROU assets obtained in exchange for operating lease obligations	$ 4.3	$ 12.2