Intangible Assets and Goodwill - Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Jul. 31, 2021	Jul. 31, 2020
Goodwill [Line Items]
Goodwill	$ 1,834,873	$ 1,577,828	$ 1,563,255	$ 1,476,541
Goodwill acquired	389,838	80,218
Measurement period adjustments	134	569
Foreign currency translation	(118,354)	20,500
Other
Goodwill [Line Items]
Goodwill	512,680	122,708	122,708	104,826
Goodwill acquired	389,838	17,882
Measurement period adjustments	134	0
Foreign currency translation	0	0
Europe | Recreational vehicles
Goodwill [Line Items]
Goodwill	923,343	1,058,429	1,041,697	1,037,929
Goodwill acquired	0	0
Measurement period adjustments	0	0
Foreign currency translation	(118,354)	20,500
North American Towables | North America | Recreational vehicles
Goodwill [Line Items]
Goodwill	344,975	344,975	344,975	333,786
Goodwill acquired	0	18,845
Measurement period adjustments	0	(7,656)
Foreign currency translation	0	0
North American Motorized | North America | Recreational vehicles
Goodwill [Line Items]
Goodwill	53,875	51,716	$ 53,875	$ 0
Goodwill acquired	0	43,491
Measurement period adjustments	0	8,225
Foreign currency translation	$ 0	$ 0