Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions		3 Months Ended
		Nov. 30, 2022	Nov. 30, 2021
Revenue
Revenue		$ 766.5	$ 550.7
Cost of revenue
Cost of revenue		697.0	503.1
Margin		69.5	47.6
Selling and administrative expense		53.4	44.3
Net gain on disposition of equipment		(3.3)	(8.5)
Impairment of long-lived assets		24.2
Earnings (loss) from operations		(4.8)	11.8
Other costs
Interest and foreign exchange		19.6	12.6
Loss before income tax and earnings from unconsolidated affiliates		(24.4)	(0.8)
Income tax benefit		3.8	1.4
Earnings (loss) before earnings from unconsolidated affiliates		(20.6)	0.6
Earnings from unconsolidated affiliates		3.3	5.0
Net earnings (loss)		(17.3)	5.6
Net loss attributable to noncontrolling interest		0.6	5.2
Net earnings (loss) attributable to Greenbrier		$ (16.7)	$ 10.8
Basic earnings (loss) per common share		$ (0.51)	$ 0.33
Diluted earnings (loss) per common share		$ (0.51)	$ 0.32
Weighted average common shares:
Basic	[1]	32,719	32,510
Diluted		32,719	33,570
Manufacturing
Revenue
Revenue		$ 646.5	$ 452.5
Cost of revenue
Cost of revenue		604.5	421.6
Maintenance Services
Revenue
Revenue		85.5	72.4
Cost of revenue
Cost of revenue		79.6	71.2
Leasing & Management Services
Revenue
Revenue		34.5	25.8
Cost of revenue
Cost of revenue		$ 12.9	$ 10.3

[1] Restricted stock grants and restricted stock units that are considered participating securities, including some grants subject to certain performance criteria, are included in weighted average basic common shares outstanding when the Company is in a net earnings position.