Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2020	Mar. 29, 2019
Cash flow from operating activities:
Net income	$ 61.9	$ 62.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	9.8	10.2
Amortization expense	40.4	44.3
Deferred income taxes	4.8	1.1
Stock-based compensation	10.7	16.3
Income from equity method investments, net of dividends	(5.6)	(4.8)
Other, net	14.9	1.8
(Increase) decrease in assets:
Accounts receivable, net	47.9	(13.8)
Inventories	(20.4)	(6.8)
Other current and non-current assets	16.8	6.1
Increase (decrease) in liabilities:
Accounts payable	(12.8)	3.4
Accrued compensation and benefits	(12.6)	(57.0)
Deferred revenue	15.6	77.1
Other current and non-current liabilities	(15.7)	7.3
Net cash provided by operating activities	155.7	147.6
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired	(198.0)
Proceeds from Previous Acquisition		4.9
Acquisitions of property and equipment	(16.7)	(14.5)
Other, net	0.3	0.0
Net cash used in investing activities	(214.4)	(9.6)
Cash flow from financing activities:
Issuance of common stock, net of tax withholdings	12.7	25.6
Repurchases of common stock	(50.0)	(40.0)
Proceeds from debt and revolving credit lines	657.5	266.9
Payments on debt and revolving credit lines	(520.2)	(339.7)
Other, net	(0.4)	(7.1)
Net cash provided by (used in) financing activities	99.6	(94.3)
Effect of exchange rate changes on cash and cash equivalents	(13.3)	0.5
Net increase in cash and cash equivalents	27.6	44.2
Cash and cash equivalents - beginning of period	189.2	172.5
Cash and cash equivalents - end of period	$ 216.8	$ 216.7