Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 30, 2012	Jan. 01, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income including noncontrolling interests	$ 26,396	$ 22,703
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	12,595	15,206
Equity in earnings of unconsolidated joint ventures	(649)	(969)
Distributions of earnings from unconsolidated joint ventures	947	1,079
Stock-based compensation	2,534	2,916
Excess tax benefits from stock-based compensation	(390)	(35)
Deferred income taxes	5,624	494
Provision for doubtful accounts	2,538	2,879
Exchange loss (gain)	189	(14)
Loss (gain) on disposal of property and equipment	90	(84)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	25,513	(10,669)
Prepaid expenses and other assets	78	11,172
Accounts payable	(23,564)	(19,241)
Accrued compensation	(24,215)	(9,004)
Billings in excess of costs on uncompleted contracts	3,544	8,796
Other liabilities	(114)	9,650
Income taxes receivable/payable	(13,360)	3,434
Net cash provided by operating activities	17,756	38,313
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(4,274)	(4,593)
Payments for business acquisitions, net of cash acquired	(14,505)	(2,574)
Proceeds from sale of property and equipment	292	377
Net cash used in investing activities	(18,487)	(6,790)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt	(22,551)	(11,012)
Proceeds from borrowings	89,234	546
Payments of earn-out liabilities	(22,372)	(9,368)
Net change in overdrafts	122	(738)
Excess tax benefits from stock-based compensation	390	35
Net proceeds from issuance of common stock	3,089	2,990
Net cash provided by (used in) financing activities	47,912	(17,547)
EFFECT OF FOREIGN EXCHANGE RATE CHANGES ON CASH	(425)	1,250
NET INCREASE IN CASH AND CASH EQUIVALENTS	46,756	15,226
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	104,848	90,494
CASH AND CASH EQUIVALENTS AT END OF PERIOD	151,604	105,720
Cash paid during the period for:
Interest	532	1,107
Income taxes, net of refunds received	$ 21,220	$ 8,772