Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Cash flows from operating activities:
Net income	$ 492.8	$ 390.6	$ 514.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	41.3	39.7	39.4
Amortization expense	138.6	157.8	167.8
Deferred income taxes	(26.9)	(52.9)	(220.2)
Stock-based compensation	122.6	83.0	75.0
Divestitures (gain) loss, net	(43.9)	(12.2)	(12.4)
Other, net	19.2	42.4	10.1
(Increase) decrease in assets:
Accounts receivable, net	(9.0)	(14.0)	(96.0)
Inventories	(72.9)	(5.0)	(21.3)
Other current and non-current assets	(30.2)	2.5	11.0
Increase (decrease) in liabilities:
Accounts payable	60.3	(15.7)	14.5
Accrued compensation and benefits	54.1	34.9	(46.4)
Deferred revenue	27.4	65.7	148.2
Other current and non-current liabilities	(22.9)	(44.8)	0.8
Net cash provided by operating activities	750.5	672.0	585.0
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired	(236.1)	(201.9)	(220.8)
Purchases of property and equipment	(46.1)	(56.8)	(69.0)
Net proceeds from sale of businesses	67.3	27.5	0.5
Net proceeds from sale of property and equipment	20.8	0.4	0.4
Other, net	(9.4)	(1.0)	13.6
Net cash used in investing activities	(203.5)	(231.8)	(275.3)
Cash flows from financing activities:
Issuance of common stock, net of tax withholdings	(15.1)	10.0	29.1
Repurchase of common stock	(180.0)	(81.6)	(179.8)
Proceeds from debt and revolving credit lines	198.9	1,173.8	1,195.4
Payments on debt and revolving credit lines	(449.9)	(1,486.0)	(1,322.9)
Other, net	(1.6)	(16.5)	(14.4)
Net cash used in financing activities	(447.7)	(400.3)	(292.6)
Effect of exchange rate changes on cash and cash equivalents	(11.3)	8.6	(0.4)
Net increase in cash and cash equivalents	88.0	48.5	16.7
Cash and cash equivalents - beginning of year	237.7	189.2	172.5
Cash and cash equivalents - end of year	325.7	237.7	189.2
Supplemental cash flow disclosure:
Cash paid for income taxes, net	98.3	59.0	63.1
Interest paid	$ 61.8	$ 71.8	$ 79.2