Intangible Assets (Tables)

9 Months Ended

Apr. 30, 2020

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives are as follows:

	As of April 30, 2020
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.4	$	284,558,000	76,205,000	$	208,353,000
Technologies	13.7	97,649,000		63,866,000	33,783,000
Trademarks and other	16.6	32,526,000		14,500,000	18,026,000
Total		$	414,733,000	154,571,000	$	260,162,000

	As of July 31, 2019
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.5	$	276,834,000	66,484,000	$	210,350,000
Technologies	12.7	92,649,000		59,522,000	33,127,000
Trademarks and other	16.7	31,026,000		12,613,000	18,413,000
Total		$	400,509,000	138,619,000	$	261,890,000

Estimated future amortization expense

The estimated amortization expense consists of the following for the fiscal years ending July 31:

2020	$	21,445,000
2021	21,040,000
2022	19,458,000
2023	19,458,000
2024	18,766,000