Intangible Assets (Tables)

12 Months Ended

Jul. 31, 2021

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives as of July 31, 2021 and 2020 are as follows:

	July 31, 2021
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.2	$	302,058,000	93,215,000	$	208,843,000
Technologies	14.8	114,949,000		70,924,000	44,025,000
Trademarks and other	16.7	32,926,000		17,095,000	15,831,000
Total		$	449,933,000	181,234,000	$	268,699,000

	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

Estimated amortization expense

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

2022	$	21,781,000
2023	21,781,000
2024	21,154,000
2025	21,041,000
2026	19,888,000