Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Income
Revenue	$ 2,067,490	$ 2,095,138	$ 6,074,408	$ 6,135,269
Cost of revenue	1,935,676	1,983,900	5,764,633	5,857,568
Gross profit	131,814	111,238	309,775	277,701
Equity in earnings of joint ventures	4,094	12,281	17,855	38,141
General and administrative expenses	(24,010)	(20,682)	(73,365)	(63,150)
Income from operations	111,898	102,837	254,265	252,692
Other income	1,215	1,519	2,042	8,640
Interest expense	(11,719)	(13,178)	(34,495)	(35,727)
Income before income tax expense	101,394	91,178	221,812	225,605
Income tax expense	30,179	21,323	56,843	57,670
Net income	71,215	69,855	164,969	167,935
Noncontrolling interests in income of consolidated subsidiaries, net of tax	(460)	(442)	(2,294)	(1,597)
Net income attributable to AECOM	$ 70,755	$ 69,413	$ 162,675	$ 166,338
Net income attributable to AECOM per share:
Basic (in dollars per share)	$ 0.71	$ 0.63	$ 1.60	$ 1.48
Diluted (in dollars per share)	$ 0.70	$ 0.63	$ 1.58	$ 1.47
Weighted average shares outstanding:
Basic (in shares)	99,257	110,221	101,482	112,513
Diluted (in shares)	100,761	110,819	102,706	113,233