Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 83,730	$ 97,976
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,809	14,731
Equity in income of unconsolidated joint ventures	(3,333)	(1,386)
Distributions of earnings from unconsolidated joint ventures	2,467	1,193
Amortization of stock-based awards	9,437	8,595
Deferred income taxes	3,153	(26,092)
Provision for doubtful accounts	5,560	9,878
Fair value adjustments to contingent consideration	(1,571)	28
Gain on sale of property and equipment	(3,523)	(223)
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable and contract assets	99,367	48,041
Prepaid expenses and other assets	5,317	(16,007)
Accounts payable	(89,630)	(26,908)
Accrued compensation	(44,690)	(29,604)
Contract liabilities	24,130	5,114
Other liabilities	(14,129)	17,863
Income taxes receivable/payable	(5,895)	(3,951)
Net cash provided by operating activities	83,199	99,248
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired	(27,739)	3,545
Capital expenditures	(5,876)	(7,178)
Proceeds from sale of property and equipment	6,316	250
Net cash used in investing activities	(27,299)	(3,383)
Cash flows from financing activities:
Proceeds from borrowings	243,364	128,717
Repayments on long-term debt	(174,730)	(162,092)
Repurchases of common stock	(81,660)	(50,000)
Taxes paid on vested restricted stock	(10,857)	(6,802)
Stock options exercised	7,927	3,834
Net change in overdrafts	2,737	0
Dividends paid	(16,414)	(13,270)
Payments of contingent earn-out liabilities	(9,624)	(11,067)
Net cash used in financing activities	(39,257)	(110,680)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(2,409)	(645)
Net increase (decrease) in cash, cash equivalents and restricted cash	14,234	(15,460)
Cash, cash equivalents and restricted cash at beginning of period	120,901	148,884
Cash, cash equivalents and restricted cash at end of period	135,135	133,424
Cash paid during the period for:
Interest	6,510	6,057
Income taxes, net of refunds received of $0.5 million and $0.9 million	23,437	30,707
Supplemental disclosures of non-cash investing activities:
Issuance of promissory note for business acquisition	0	24,688
Reconciliation of cash, cash equivalents and restricted cash:
Total cash, cash equivalents and restricted cash	$ 135,135	$ 133,424