Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
Cash Flows from Operating Activities:
Net Earnings of the Group	$ 523,867	$ 873,219	$ 173,142
Depreciation and amortization:
Property, equipment and improvements	91,070	90,171	117,856
Intangible assets	90,563	79,098	80,731
Gain on sale of ECR business	(110,236)	(935,110)	0
Loss on disposal of other businesses and investments	0	9,608	20,967
Loss on investment in equity securities	103,623	78,108	0
Stock based compensation	48,150	69,137	79,242
Equity in earnings of operating ventures, net of return on capital distributions	9,172	(8,784)	(2,639)
Loss on disposals of assets, net	766	6,222	17,491
Impairment of long-lived assets	162,238	0	0
Loss (Gain) on pension and retiree medical plan changes	4,598	(33,087)	5,414
Deferred income taxes	82,275	(105,939)	288,126
Changes in assets and liabilities, excluding the effects of businesses acquired:
Receivables and contract assets, net of contract liabilities	(107,784)	(67,894)	(428,930)
Prepaid expenses and other current assets	(27,280)	(13,117)	(19,134)
Accounts payable	(92,838)	295,146	183,057
Income taxes payable	35,194	(294,995)	68,970
Accrued liabilities	(27,849)	(305,716)	(37,746)
Other deferred liabilities	(64,390)	(106,256)	(79,280)
Other, net	85,710	3,753	13,885
Net cash provided by (used for) operating activities	806,849	(366,436)	481,152
Cash Flows from Investing Activities:
Additions to property and equipment	(118,269)	(135,977)	(94,884)
Disposals of property and equipment and other assets	96	7,177	3,293
Capital contributions to equity investees, net of return of capital distributions	(12,278)	(8,761)	(5,416)
Acquisitions of businesses, net of cash acquired	(293,580)	(575,110)	(1,488,336)
Disposals of investment in equity securities	0	64,708	0
(Payments) proceeds related to sales of businesses	(5,061)	2,801,425	7,736
Purchases of noncontrolling interests	0	(1,113)	0
Net cash (used for) provided by investing activities	(429,092)	2,152,349	(1,577,607)
Cash Flows from Financing Activities:
Proceeds from long-term borrowings	2,986,661	2,782,193	5,784,355
Repayments of long-term borrowings	(2,521,467)	(3,996,970)	(4,572,182)
Proceeds from short-term borrowings	78	200,001	712
Repayments of short-term borrowings	(200,008)	(28,566)	(3,391)
Debt issuance costs	(1,807)	(3,915)	0
Proceeds from issuances of common stock	37,235	64,958	53,584
Common stock repurchases	(337,251)	(853,676)	(2,981)
Taxes paid on vested restricted stock	(27,794)	(26,641)	(31,108)
Cash dividends, including to noncontrolling interests	(143,962)	(106,396)	(86,569)
Net cash (used for) provided by financing activities	(208,315)	(1,969,012)	1,142,420
Effect of Exchange Rate Changes	61,914	20,809	(26,758)
Net Increase (Decrease) in Cash and Cash Equivalents	231,356	(162,290)	19,207
Cash and Cash Equivalents at the Beginning of the Period	631,068	793,358	774,151
Cash and Cash Equivalents at the End of the Period	862,424	631,068	793,358
Less Cash and Cash Equivalents included in Assets held for Sale		0	0
Cash and cash equivalents	$ 862,424	$ 631,068	$ 634,870