Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Cash flows from operating activities:
Net income (loss)	$ 71.7	$ (17.2)
Noncash items:
Depreciation	10.3	9.5
Amortization	21.0	22.5
Allowance for credit losses	2.9	6.1
Stock-based compensation expense	6.4	6.0
Impairment charges	1.9	0.0
Amortization of right-of-use assets	7.2	7.8
Amortization of debt discount and issuance costs	6.2	0.0
Change in trade accounts receivable	(5.1)	66.9
Change in inventories	(20.4)	(36.7)
Change in trade accounts payable	(27.6)	(10.7)
Change in prepaid expenses and other assets	(7.9)	11.4
Change in accrued expenses and other liabilities	(37.9)	(118.8)
Change in operating lease liabilities	(12.1)	(9.1)
Net cash provided by (used in) operating activities	16.6	(62.3)
Cash flows from investing activities:
Acquisitions, net of cash acquired	0.0	(41.6)
Payments for additions to property, plant and equipment	(8.3)	(13.6)
All other investing activities	2.8	3.8
Net cash used in investing activities	(5.5)	(51.4)
Cash flows from financing activities:
Payment of debt issuance and other deferred financing costs	(0.4)	0.0
Proceeds from revolving line of credit	0.0	249.8
Repayment of borrowings	(475.5)	(0.1)
Proceeds from stock option exercises	5.3	3.3
All other financing activities	1.0	5.5
Net cash (used in) provided by financing activities	(469.6)	258.5
Effect of exchange rate changes on cash and equivalents	10.8	(2.4)
Net change in cash and equivalents	(447.7)	142.4
Beginning balance of cash and equivalents	888.9	211.2
Ending balance of cash and equivalents	441.2	353.6
Supplemental data:
Cash paid for interest	10.5	2.9
Cash paid for taxes	5.7	10.6
ROU assets obtained in exchange for operating lease obligations	$ 2.6	$ 0.8