Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
OPERATING ACTIVITIES
Net income (loss)	$ 616.9	$ (80.1)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	62.8	69.7
Amortization of acquired intangibles	218.9	280.0
Stock-based compensation expense	53.7	48.5
Deferred income taxes	(63.3)	(194.8)
Intangible asset and equipment impairment charges	30.2	443.8
Other adjustments and non-cash items	23.6	24.3
Changes in operating assets and liabilities, excluding the effect of acquisitions and dispositions:
Accounts receivable	(130.5)	(9.7)
Inventories	(48.0)	(81.7)
Prepaid income taxes	(10.6)	(11.5)
Prepaid expenses and other assets	(290.0)	(11.8)
Accounts payable	(55.1)	(30.9)
Accrued expenses and other liabilities	40.5	(47.9)
Deferred revenue	5.5	3.9
Net cash provided by operating activities	454.6	401.8
INVESTING ACTIVITIES
Acquisition of businesses, net of cash acquired	(43.2)	(109.4)
Proceeds From Sale Of Business	142.7	0.0
Capital expenditures	(53.2)	(37.8)
Increase in equipment under customer usage agreements	(44.9)	(39.9)
Payments to Acquire Trading Securities Held-for-investment	0.0	3.0
Purchase of insurance contracts	2.4	0.0
Purchase of intellectual property	0.0	(4.5)
Other activity	(2.7)	(5.3)
Net cash used in investing activities	(3.7)	(199.9)
FINANCING ACTIVITIES
Proceeds from long-term debt	0.0	1,500.0
Repayment of long-term debt	(28.1)	(1,462.5)
Proceeds from revolving credit line	750.0	480.0
Repayments under revolving credit line	(250.0)	(780.0)
Proceeds from accounts receivable securitization agreement	16.0	43.0
Repayments of Accounts Receivable Securitization	250.0	34.0
Payments to Noncontrolling Interests	(1.8)	0.0
Payment of deferred acquisition consideration	(24.3)	(2.6)
Repayments of acquired long term debt	(8.3)	(2.5)
Payment of debt issuance costs	0.0	(2.7)
Payments to repurchase common stock pursuant to ASR agreement	(205.0)	0.0
Repurchase of common stock	(348.4)	(200.1)
Interest Rate Cap Agreements Aggregate Premium Payable	0.0	1.5
Proceeds from issuance of common stock pursuant to employee stock plans	54.7	35.9
Payments under finance lease obligations	(1.2)	(1.3)
Net cash used in financing activities	(309.0)	(440.7)
Payment of minimum tax withholdings on net share settlements of equity awards	(12.6)	(12.4)
Effect of exchange rate changes on cash and cash equivalents	0.5	0.0
Net increase (decrease) in cash and cash equivalents	142.4	(238.8)
Cash and cash equivalents, beginning of period	601.8	666.7
Cash and cash equivalents, end of period	$ 744.2	$ 427.9