CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jul. 03, 2020	Jun. 28, 2019
Cash flows from operating activities:
Net earnings	$ 192.9	$ 221.8
Adjustments to reconcile net earnings to net cash provided by operating activities:
Share-based compensation expense	30.6	35.2
Depreciation	44.9	38.7
Amortization of intangible assets and inventory step-up	28.7	18.7
Deferred taxes	2.1	8.9
Provision to allowance for doubtful accounts	5.8	6.2
Gain on equity investments	(27.1)	(23.8)
Impairment charges	49.7	50.6
Write-off of in-process research and development related to acquisition-related activities	0.0	20.8
Other, net	(2.9)	(0.5)
Changes in assets and liabilities, net of effects of acquisitions:
Trade and unbilled receivables	84.3	(77.7)
Inventories	(47.7)	(78.4)
Prepaid expenses and other assets	(17.1)	(26.9)
Accounts payable	(94.3)	29.9
Accrued liabilities and other long-term liabilities	(42.5)	(24.4)
Deferred revenues	10.1	54.9
Net cash provided by operating activities	217.5	254.0
Cash flows from investing activities:
Purchases of property, plant and equipment	(55.0)	(43.7)
Sale of available-for-sale security	0.0	8.5
Acquisitions, net of cash acquired	(8.4)	(485.6)
Purchase of equity and notes receivable in privately-held companies	(21.3)	(29.8)
Sale of equity investments	9.2	29.9
Other, net	(1.8)	(3.0)
Net cash used in investing activities	(77.3)	(523.7)
Cash flows from financing activities:
Repurchases of common stock	(86.2)	(134.2)
Proceeds from issuance of common stock to employees	51.4	55.7
Tax withholdings on vesting of equity awards	(11.7)	(14.1)
Borrowings under credit facility agreement	105.0	430.0
Repayments under credit facility agreement	(105.0)	(430.0)
Net borrowings under the credit facility agreements with maturities less than 90 days	170.0	400.0
Repayment of acquired debt	0.0	(16.8)
Payment of contingent consideration	(11.2)	(0.5)
Other	(1.0)	3.9
Net cash provided by financing activities	111.3	294.0
Effects of exchange rate changes on cash, cash equivalents, and restricted cash	(5.1)	2.2
Net increase in cash, cash equivalents, and restricted cash	246.4	26.5
Cash, cash equivalents, and restricted cash at beginning of period	544.1	516.4
Cash, cash equivalents, and restricted cash at end of period	$ 790.5	$ 542.9