Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 27, 2021	Jun. 28, 2020
Cash flows from operating activities:
Net income	$ 149,900	$ 129,234
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,811	19,066
Equity in income of unconsolidated joint ventures	(3,513)	(5,200)
Distributions of earnings from unconsolidated joint ventures	2,773	5,280
Amortization of stock-based awards	16,261	13,494
Deferred income taxes	123	2,767
Provision for losses on accounts receivables	(4,355)	539
Fair value adjustments to contingent consideration	(163)	(1,521)
Gain on sale of property and equipment	(110)	(9,693)
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable and contract assets	15,354	148,818
Prepaid expenses and other assets	17,243	1,566
Accounts payable	19,712	(98,029)
Accrued compensation	(7,332)	(39,978)
Contract liabilities	3,083	17,328
Other liabilities	1,389	10,305
Income taxes receivable/payable	(638)	574
Net cash provided by operating activities	226,538	194,550
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired	(17,154)	(28,505)
Capital expenditures	(6,234)	(9,360)
Proceeds from sale of property and equipment	333	17,162
Net cash used in investing activities	(23,055)	(20,703)
Cash flows from financing activities:
Proceeds from borrowings	165,570	298,364
Repayments on long-term debt	(173,895)	(297,856)
Bank overdrafts	(33,770)	0
Repurchases of common stock	(45,000)	(102,188)
Taxes paid on vested restricted stock	(17,589)	(11,143)
Stock options exercised	10,703	8,263
Dividends paid	(29,241)	(25,590)
Payments of contingent earn-out liabilities	(12,374)	(22,434)
Principal payments on finance leases	(1,908)	0
Net cash used in financing activities	(137,504)	(152,584)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	10,772	(334)
Net increase in cash, cash equivalents and restricted cash	76,751	20,929
Cash, cash equivalents and restricted cash at beginning of period	157,515	120,901
Cash, cash equivalents and restricted cash at end of period	234,266	141,830
Cash paid during the period for:
Interest	7,044	9,738
Income taxes, net of refunds received of $2.0 million and $1.4 million	36,664	30,259
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	234,266	141,658
Restricted cash	0	172
Total cash, cash equivalents and restricted cash	$ 234,266	$ 141,830