Intangible Assets (Tables)

6 Months Ended

Jan. 31, 2021

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives are as follows:

	January 31, 2021
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.4	$	286,558,000	86,162,000	$	200,396,000
Technologies	14.0	99,649,000		68,433,000	31,216,000
Trademarks and other	16.6	32,126,000		15,980,000	16,146,000
Total		$	418,333,000	170,575,000	$	247,758,000

	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:

2021	$	20,346,000
2022	19,688,000
2023	19,688,000
2024	19,061,000
2025	18,948,000