CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Jan. 03, 2020	Dec. 28, 2018
Cash flows from operating activities:
Net earnings	$ 88.9	$ 103.9
Adjustments to reconcile net earnings to net cash provided by operating activities:
Share-based compensation expense	14.9	10.5
Depreciation	15.0	12.8
Amortization of intangible assets and inventory step-up	10.2	4.7
Gain on sale of equity investments	(1.4)	(22.0)
Change in fair value of contingent consideration	8.8	0.0
Other, net	2.7	3.7
Changes in assets and liabilities, net of effects of acquisitions:
Trade and unbilled receivables	29.5	2.9
Inventories	(44.9)	(32.4)
Prepaid expenses and other assets	6.3	8.6
Accounts payable	(32.7)	13.5
Accrued liabilities and other long-term liabilities	(42.1)	(12.5)
Deferred revenues	57.4	47.2
Net cash provided by operating activities	112.6	140.9
Cash flows from investing activities:
Purchases of property, plant and equipment	(22.6)	(14.0)
Acquisitions, net of cash acquired	(1.7)	(25.5)
Sale of equity investments	9.2	29.9
Other, net	0.0	(3.5)
Net cash used in investing activities	(15.1)	(13.1)
Cash flows from financing activities:
Repurchases of common stock	(43.8)	(34.8)
Proceeds from issuance of common stock to employees	19.7	22.0
Tax withholdings on vesting of equity awards	(3.6)	(4.4)
Borrowings under credit facility agreement	11.0	0.0
Repayments under credit facility agreement	(11.0)
Net borrowings under the credit facility agreements with maturities less than 90 days	132.0	0.0
Other	(0.9)	0.0
Net cash provided by (used in) financing activities	103.4	(17.2)
Effects of exchange rate changes on cash, cash equivalents, and restricted cash	(2.8)	1.7
Net increase in cash, cash equivalents, and restricted cash	198.1	112.3
Cash, cash equivalents, and restricted cash at beginning of period	544.1	516.4
Cash, cash equivalents, and restricted cash at end of period	$ 742.2	$ 628.7