Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions		3 Months Ended
		Nov. 30, 2021	Nov. 30, 2020
Revenue
Revenue		$ 550.7	$ 403.0
Cost of revenue
Cost of revenue		503.1	362.3
Margin		47.6	40.7
Selling and administrative expense		44.3	43.7
Net gain on disposition of equipment		(8.5)	(0.9)
Earnings (loss) from operations		11.8	(2.1)
Other costs
Interest and foreign exchange		12.6	11.1
Loss before income tax and earnings (loss) from unconsolidated affiliates		(0.8)	(13.2)
Income tax benefit		1.4	7.3
Earnings (loss) before earnings (loss) from unconsolidated affiliates		0.6	(5.9)
Earnings (loss) from unconsolidated affiliates		5.0	(0.8)
Net earnings (loss)		5.6	(6.7)
Net (earnings) loss attributable to noncontrolling interest		5.2	(3.3)
Net earnings (loss) attributable to Greenbrier		$ 10.8	$ (10.0)
Basic earnings (loss) per common share		$ 0.33	$ (0.30)
Diluted earnings (loss) per common share		$ 0.32	$ (0.30)
Weighted average common shares:
Basic	[1]	32,510	32,723
Diluted		33,570	32,723
Manufacturing
Revenue
Revenue		$ 452.5	$ 304.5
Cost of revenue
Cost of revenue		421.6	280.9
Earnings (loss) from operations		12.3	5.4
Maintenance Services
Revenue
Revenue		72.4	65.6
Cost of revenue
Cost of revenue		71.2	63.0
Earnings (loss) from operations		(1.1)	(0.2)
Leasing & Management Services
Revenue
Revenue		25.8	32.9
Cost of revenue
Cost of revenue		10.3	18.4
Earnings (loss) from operations		$ 17.2	$ 10.1

[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.