Intangible Assets and Goodwill (Tables)

9 Months Ended

Apr. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Amortizable Intangible Assets

The components of amortizable intangible assets are as follows:

	Weighted-Average
	Remaining	April 30, 2019				July 31, 2018
	Life in Years at April 30, 2019	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Dealer networks/customer relationships	18	$	752,718	$	178,376	$	404,960	$	147,077
Trademarks	18		269,515		31,222		146,117		24,364
Design technology and other intangibles	10		197,688		14,952		18,200		9,555
Backlog	Less than 1		11,218		6,731		—		—
Non-compete agreements	—		450		450		450		383
Total amortizable intangible assets		$	1,231,589	$	231,731	$	569,727	$	181,379

Estimated Amortization Expense

Estimated annual amortization expense is as follows:

For the fiscal year ending July 31, 2019	$	74,534
For the fiscal year ending July 31, 2020		89,556
For the fiscal year ending July 31, 2021		98,369
For the fiscal year ending July 31, 2022		104,684
For the fiscal year ending July 31, 2023		93,774
For the fiscal year ending July 31, 2024 and thereafter		589,294
	$	1,050,211