Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
Apr. 01, 2018	Apr. 02, 2017
Cash flows from operating activities:
Net income	$ 74,799	$ 53,456
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,312	23,234
Equity in income of unconsolidated joint ventures	(2,032)	(2,489)
Distributions of earnings from unconsolidated joint ventures	1,470	2,301
Non-cash stock compensation	8,705	6,610
Deferred income taxes	(10,100)	19,851
Provision for doubtful accounts	2,390	(2,028)
Fair value adjustments to contingent consideration	1,918	(7,149)
Gain on disposal of property and equipment	(1,205)	(266)
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable	(42,912)	2,631
Prepaid expenses and other assets	(15,528)	(7,587)
Accounts payable	(26,460)	(15,587)
Accrued compensation	(11,453)	(12,888)
Billings in excess of costs on uncompleted contracts	15,367	25,139
Other liabilities	716	(5,021)
Income taxes receivable/payable	(1,213)	(29,843)
Net cash provided by operating activities	14,774	50,364
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired	(64,451)	(8,039)
Capital expenditures	(4,565)	(3,896)
Proceeds from sale of property and equipment	1,651	303
Net cash used in investing activities	(67,365)	(11,632)
Cash flows from financing activities:
Proceeds from borrowings	180,026	133,596
Payments on long-term debt	(62,109)	(137,849)
Repurchases of common stock	(50,000)	(20,000)
Net proceeds from issuance of common stock	11,945	7,661
Dividends paid	(11,172)	(10,301)
Payments of contingent earn-out liabilities	(854)	0
Net cash provided by (used in) financing activities	67,836	(26,893)
Effect of exchange rate changes on cash	(2,043)	(958)
Net increase in cash and cash equivalents	13,202	10,881
Cash and cash equivalents at beginning of period	189,975	160,459
Cash and cash equivalents at end of period	203,177	171,340
Cash paid during the period for:
Interest	6,895	5,970
Income taxes, net of refunds received of $0.3 million and $0.6 million	$ 20,151	$ 32,995

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
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The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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