Goodwill - Additional Information (Detail) - USD ($) $ in Millions	Aug. 31, 2023	Aug. 31, 2022
Goodwill [Line Items]
Goodwill	$ 128.9	$ 127.3
Manufacturing
Goodwill [Line Items]
Goodwill	85.9	84.3
Manufacturing | North America
Goodwill [Line Items]
Goodwill	56.3
Manufacturing | Europe
Goodwill [Line Items]
Goodwill	29.6
Maintenance Services
Goodwill [Line Items]
Goodwill	$ 43.0	$ 43.0