Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022	Oct. 02, 2022
Cash flows from operating activities:
Net income	$ 60,238	$ 58,657	$ 219,794	$ 180,205
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			43,221	19,545
Equity in income of unconsolidated joint ventures			(4,831)	(5,233)
Distributions of earnings from unconsolidated joint ventures			4,345	4,532
Amortization of stock-based awards			21,640	19,104
Deferred income taxes			21,475	750
Fair value adjustments to contingent consideration	0	(263)	8,477	(64)
(Gain) loss on sale of assets			(310)	93
Fair value adjustments to foreign currency forward contract			(89,402)	0
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable and contract assets			(41,824)	(54,874)
Prepaid expenses and other assets			1,970	33,254
Accounts payable			(3,678)	8,845
Accrued compensation			5,263	15,349
Contract liabilities			56,189	59,025
Other liabilities			(6,921)	(12,702)
Income taxes receivable/payable			10,645	8,147
Net cash provided by operating activities			246,053	275,976
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired			(854,319)	(33,624)
Capital expenditures			(17,322)	(8,401)
Proceeds from sale of property and equipment			439	3,754
Settlement of foreign currency forward contract			109,306	0
Net cash used in investing activities			(761,896)	(38,271)
Cash flows from financing activities:
Proceeds from borrowings			979,859	141,456
Repayments on long-term debt			(411,676)	(108,949)
Repurchases of common stock			0	(150,000)
Taxes paid on vested restricted stock			(16,785)	(25,193)
Stock options exercised			425	1,205
Dividends paid			(38,268)	(33,873)
Payments of contingent earn-out liabilities			(15,078)	(4,035)
Principal payments on finance leases			(4,082)	(3,097)
Net cash provided by (used in) financing activities			494,395	(182,486)
Effect of exchange rate changes on cash and cash equivalents			12,410	(4,403)
Net (decrease) increase in cash and cash equivalents			(9,038)	50,816
Cash and cash equivalents at beginning of period			185,094	166,568	$ 166,568
Cash and cash equivalents at end of period	$ 176,056	$ 217,384	176,056	217,384	$ 185,094
Cash paid during the period for:
Interest			34,839	7,556
Income taxes, net of refunds received of $1.5 million and $4.2 million			54,967	49,131
Supplemental disclosures on non-cash investing activities:
Issuance of promissory note for business acquisition			$ 0	$ 14,578