Intangible Assets (Tables)

3 Months Ended

Oct. 31, 2021

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives are as follows:

	October 31, 2021
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.2	$	302,058,000	96,786,000	$	205,272,000
Technologies	14.8	114,949,000		72,143,000	42,806,000
Trademarks and other	16.7	32,926,000		17,654,000	15,272,000
Total		$	449,933,000	186,583,000	$	263,350,000

	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

Estimated amortization expense

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

2022	$	21,685,000
2023	21,781,000
2024	21,154,000
2025	21,041,000
2026	19,888,000