Intangible Assets and Goodwill - Components of Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jul. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,716,864	$ 1,390,126
Accumulated amortization	545,715	452,955
Dealer networks/customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	1,101,130	861,562
Accumulated amortization	395,387	327,751
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	354,944	311,208
Accumulated amortization	73,863	62,675
Design technology and other intangibles
Finite-Lived Intangible Assets [Line Items]
Cost	259,390	215,956
Accumulated amortization	75,823	62,237
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Cost	1,400	1,400
Accumulated amortization	$ 642	$ 292