CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Apr. 03, 2020	Mar. 29, 2019
Cash flows from operating activities:
Net earnings	$ 132.0	$ 192.3
Adjustments to reconcile net earnings to net cash provided by operating activities:
Share-based compensation expense	26.2	23.0
Depreciation	29.9	25.8
Amortization of intangible assets and inventory step-up	19.7	11.4
Deferred taxes	(8.7)	7.4
Provision to allowance for doubtful accounts	3.7	4.0
Gain on sale of equity investments	(1.4)	(21.8)
Impairment charges	40.5	0.0
Other, net	(1.1)	0.3
Changes in assets and liabilities, net of effects of acquisitions:
Trade and unbilled receivables	49.9	(58.6)
Inventories	(53.7)	(41.9)
Prepaid expenses and other assets	(18.6)	(19.3)
Accounts payable	(54.7)	23.7
Accrued liabilities and other long-term liabilities	(62.6)	(74.2)
Deferred revenues	33.4	55.4
Net cash provided by operating activities	134.5	127.5
Cash flows from investing activities:
Purchases of property, plant and equipment	(37.0)	(25.2)
Acquisitions, net of cash acquired	(8.4)	(25.0)
Purchase of equity investments	0.0	(11.8)
Sale of equity investments	9.2	29.9
Other, net	0.0	(2.5)
Net cash used in investing activities	(36.2)	(34.6)
Cash flows from financing activities:
Repurchases of common stock	(86.2)	(85.6)
Proceeds from issuance of common stock to employees	32.1	38.6
Tax withholdings on vesting of equity awards	(11.5)	(13.9)
Borrowings under credit facility agreement	105.0	0.0
Repayments under credit facility agreement	(105.0)
Net borrowings under the credit facility agreements with maturities less than 90 days	110.0	0.0
Other	(0.9)	4.0
Net cash provided by (used in) financing activities	43.5	(56.9)
Effects of exchange rate changes on cash, cash equivalents, and restricted cash	3.1	6.5
Net increase in cash, cash equivalents, and restricted cash	144.9	42.5
Cash, cash equivalents, and restricted cash at beginning of period	544.1	516.4
Cash, cash equivalents, and restricted cash at end of period	$ 689.0	$ 558.9