Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019
Cash flow from operating activities:
Net income	$ 125.1	$ 157.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	19.5	20.3
Amortization expense	80.2	87.8
Deferred income taxes	14.9	4.7
Stock-based compensation	29.3	33.5
Income from equity method investments, net of dividends	(15.3)	(11.5)
Other, net	29.0	(0.3)
(Increase) decrease in assets:
Accounts receivable, net	115.7	(7.7)
Inventories	(33.2)	7.4
Other current and non-current assets	9.7	1.5
Increase (decrease) in liabilities:
Accounts payable	(31.1)	3.8
Accrued compensation and benefits	9.1	(28.5)
Deferred revenue	(8.4)	64.9
Other current and non-current liabilities	(41.3)	(7.4)
Net cash provided by operating activities	303.2	325.5
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired	(198.0)
Proceeds from Previous Acquisition		4.6
Acquisitions of property and equipment	(29.6)	(38.5)
Other, net	0.2	14.1
Net cash used in investing activities	(227.4)	(19.8)
Cash flow from financing activities:
Issuance of common stock, net of tax withholdings	8.7	13.4
Repurchases of common stock	(50.0)	(59.0)
Proceeds from debt and revolving credit lines	857.5	530.2
Payments on debt and revolving credit lines	(866.3)	(756.6)
Other, net	(10.8)	(7.3)
Net cash used in financing activities	(60.9)	(279.3)
Effect of exchange rate changes on cash and cash equivalents	(7.7)	0.7
Net increase in cash and cash equivalents	7.2	27.1
Cash and cash equivalents - beginning of period	189.2	172.5
Cash and cash equivalents - end of period	$ 196.4	$ 199.6