Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Revenue
Revenue		$ 820.2	$ 1,038.1	$ 2,491.7	$ 2,926.6
Cost of revenue
Cost of revenue		696.4	910.0	2,124.4	2,612.2
Margin		123.8	128.1	367.3	314.4
Selling and administrative expense		59.3	63.3	179.2	175.7
Net gain on disposition of equipment		(7.8)	(2.3)	(12.6)	(15.2)
Asset impairment, disposal, and exit costs			16.4		40.6
Earnings from operations		72.3	50.7	200.7	113.3
Other costs
Interest and foreign exchange		24.7	22.8	72.5	64.0
Earnings before income tax and earnings from unconsolidated affiliates		47.6	27.9	128.2	49.3
Income tax expense		(10.7)	(3.6)	(30.0)	(11.7)
Earnings before earnings from unconsolidated affiliates		36.9	24.3	98.2	37.6
Earnings from unconsolidated affiliates		3.7	2.4	9.2	8.6
Net earnings		40.6	26.7	107.4	46.2
Net earnings attributable to noncontrolling interest		(6.7)	(5.4)	(8.9)	(8.5)
Net earnings attributable to Greenbrier		$ 33.9	$ 21.3	$ 98.5	$ 37.7
Basic earnings per common share		$ 1.09	$ 0.67	$ 3.17	$ 1.17
Diluted earnings per common share	[1]	$ 1.06	$ 0.64	$ 3.05	$ 1.13
Weighted average common shares:
Basic		31,131	31,757	31,091	32,346
Diluted		32,021	33,571	32,456	33,344
Manufacturing
Revenue
Revenue		$ 685.1	$ 870.2	$ 2,096.8	$ 2,485.3
Cost of revenue
Cost of revenue		610.5	786.5	1,867.6	2,292.2
Maintenance Services
Revenue
Revenue		69.9	122.9	228.9	306.4
Cost of revenue
Cost of revenue		61.7	109.8	202.5	279.0
Leasing & Management Services
Revenue
Revenue		65.2	45.0	166.0	134.9
Cost of revenue
Cost of revenue		$ 24.2	$ 13.7	$ 54.3	$ 41.0

[1] Diluted earnings per share was calculated as follows: Earnings before interest and debt issuance costs on the 2.875% convertible notes due 2024 Weighted average diluted common shares outstanding