Intangible Assets (Tables)

12 Months Ended

Jul. 31, 2020

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives as of July 31, 2020 and 2019 are as follows:

	July 31, 2020
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.4	$	286,058,000	79,534,000	$	206,524,000
Technologies	14.0	99,349,000		65,398,000	33,951,000
Trademarks and other	16.6	32,826,000		15,282,000	17,544,000
Total		$	418,233,000	160,214,000	$	258,019,000

	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 amortization expense

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

2021	$	21,276,000
2022	19,648,000
2023	19,648,000
2024	19,021,000
2025	18,918,000