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Intangible Assets
 3 Months Ended
Oct. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]  
Intangible Assets Intangible Assets
Intangible assets with finite lives are as follows:
 October 31, 2023
 Weighted Average
Amortization Period		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount
Customer relationships20.2$302,058,000 125,454,000 $176,604,000 
Technologies14.8114,949,000 81,734,000 33,215,000 
Trademarks and other16.732,926,000 22,127,000 10,799,000 
Total $449,933,000 229,315,000 $220,618,000 

 July 31, 2023
 Weighted Average
Amortization Period		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount
Customer relationships20.2$302,058,000 121,786,000 $180,272,000 
Technologies14.8114,949,000 80,672,000 34,277,000 
Trademarks and other16.732,926,000 21,568,000 11,358,000 
Total $449,933,000 224,026,000 $225,907,000 

The weighted average amortization period in the above table excludes fully amortized intangible assets.

Amortization expense for the three months ended October 31, 2023 and 2022 was $5,289,000 and $5,349,000, respectively.
The estimated amortization expense consists of the following for the fiscal years ending July 31:
2024$21,154,000 
202521,039,000 
202619,888,000 
202718,534,000 
202818,534,000 

We review net intangible assets with finite lives for impairment when an event occurs indicating the potential for impairment. Based on our last assessment, we believe that the carrying values of our net intangible assets were recoverable as of October 31, 2023. However, if business conditions deteriorate, we may be required to record impairment losses, and or increase the amortization of intangibles in the future. Any impairment charges that we may record in the future could be material to our results of operations and financial condition.