Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statements of Operations
Revenue	$ 13,340,852	$ 13,239,976	$ 13,642,455
Cost of revenue	12,542,431	12,530,416	13,030,800
Gross profit	798,421	709,560	611,655
Equity in earnings of joint ventures	35,044	48,781	49,320
General and administrative expenses	(155,072)	(188,535)	(148,123)
Restructuring costs	(48,840)	(188,345)	(95,446)
Gain on disposal activities			3,590
Impairment of long-lived assets			(24,900)
Income from operations	629,553	381,461	396,096
Other income	17,603	11,056	14,556
Interest expense	(238,352)	(159,914)	(161,482)
Income from continuing operations before taxes	408,804	232,603	249,170
Income tax expense for continuing operations	89,011	45,753	13,498
Net income from continuing operations	319,793	186,850	235,672
Net loss from discontinued operations	(116,813)	(340,591)	(419,662)
Net income (loss)	202,980	(153,741)	(183,990)
Net income attributable to noncontrolling interests from continuing operations	(25,109)	(16,398)	(24,710)
Net income attributable to noncontrolling interests from discontinued operations	(4,686)	(16,231)	(52,350)
Net income attributable to noncontrolling interests	(29,795)	(32,629)	(77,060)
Net income attributable to AECOM from continuing operations	294,684	170,452	210,962
Net loss attributable to AECOM from discontinued operations	(121,499)	(356,822)	(472,012)
Net income (loss) attributable to AECOM	$ 173,185	$ (186,370)	$ (261,050)
Net income (loss) attributable to AECOM per share:
Basic continuing operations per share	$ 2.00	$ 1.07	$ 1.34
Basic discontinued operations per share	(0.82)	(2.24)	(3.00)
Basic earnings per share	1.18	(1.17)	(1.66)
Diluted continuing operations per share	1.97	1.06	1.32
Diluted discontinued operations per share	(0.81)	(2.22)	(2.95)
Diluted earnings per share	$ 1.16	$ (1.16)	$ (1.63)
Weighted average shares outstanding:
Basic	147,279	159,005	157,044
Diluted	149,676	161,292	159,684