Schedule of Segment Reporting Information, by Segment Balance Sheet Item (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Jul. 31, 2014
Segment Reporting Information [Line Items]
Total assets	$ 1,408,849	$ 1,408,718
Continuing Operations | Recreation Vehicles
Segment Reporting Information [Line Items]
Total assets	1,004,322	1,038,268
Continuing Operations | Recreation Vehicles | Towables
Segment Reporting Information [Line Items]
Total assets	843,083	868,017
Continuing Operations | Recreation Vehicles | Motorized
Segment Reporting Information [Line Items]
Total assets	161,239	170,251
Continuing Operations | Corporate
Segment Reporting Information [Line Items]
Total assets	$ 404,527	$ 370,450