Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Cash flows from operating activities:
Net income	$ 514.5	$ 283.3	$ 118.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	39.4	35.6	34.6
Amortization expense	167.8	179.6	148.8
Deferred income taxes	(220.2)	(47.6)	(16.1)
Stock-based compensation	75.0	76.9	64.8
Income (loss) from equity method investments, net of dividends	(7.8)	1.9	(11.4)
Other, net	5.5	21.3	5.5
(Increase) decrease in assets:
Accounts receivable, net	(96.0)	(51.0)	(42.7)
Inventories	(21.3)	(45.0)	(37.3)
Other current and non-current assets	11.0	(17.6)	(15.6)
Increase (decrease) in liabilities:
Accounts payable	14.5	(2.0)	25.7
Accrued compensation and benefits	(46.4)	18.6	34.0
Deferred revenue	148.2	76.3	19.3
Other current and non-current liabilities	0.8	(43.6)	101.6
Net cash provided by operating activities	585.0	486.7	429.7
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired	(220.8)	(1,763.5)	(280.2)
Acquisitions of property and equipment	(69.0)	(67.6)	(43.7)
Purchases of short-term investments	0.0	(24.0)	(288.0)
Proceeds from maturities of short-term investments	0.0	6.2	122.1
Proceeds from sales of short-term investments	0.0	196.8	97.7
Other, net	14.5	2.5	20.9
Net cash used in investing activities	(275.3)	(1,649.6)	(371.2)
Cash flows from financing activities:
Issuance of common stock, net of tax withholdings	29.1	40.2	73.8
Repurchase of common stock	(179.8)	(93.0)	(285.3)
Proceeds from debt and revolving credit lines	1,195.4	2,976.4	786.0
Payments on debt and revolving credit lines	(1,322.9)	(1,925.1)	(495.4)
Other, net	(14.4)	(9.1)	(12.6)
Net cash provided by (used in) financing activities	(292.6)	989.4	66.5
Effect of exchange rate changes on cash and cash equivalents	(0.4)	(12.5)	17.4
Net increase (decrease) in cash and cash equivalents	16.7	(186.0)	142.4
Cash and cash equivalents - beginning of fiscal year	172.5	358.5	216.1
Cash and cash equivalents - end of fiscal year	$ 189.2	$ 172.5	$ 358.5