Intangible Assets (Tables)

3 Months Ended

Oct. 31, 2019

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives are as follows:

	As of October 31, 2019
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.5	$	276,834,000	69,694,000	$	207,140,000
Technologies	12.7	92,649,000		60,948,000	31,701,000
Trademarks and other	16.7	31,026,000		13,183,000	17,843,000
Total		$	400,509,000	143,825,000	$	256,684,000

	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

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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

2020	$	20,700,000
2021	19,563,000
2022	18,322,000
2023	18,322,000
2024	17,631,000