Intangible Assets, Goodwill and Other

6 Months Ended

Jan. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Disclosure

Other Intangible Assets

Other intangible assets as of January 31, 2021 and July 31, 2020, consisted of the following: 

	January 31, 2021							July 31, 2020
	Weighted Average Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Weighted Average Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Definite-lived other intangible assets:
Customer relationships and tradenames	9	$	45,498	$	(35,431)	$	10,067	9	$	45,385	$	(32,670)	$	12,715
Indefinite-lived other intangible assets:
Tradenames	N/A	9,742		—		9,742		N/A	9,619		—		9,619
Total		$	55,240	$	(35,431)	$	19,809		$	55,004	$	(32,670)	$	22,334

The change in the gross carrying amount of other intangible assets as of January 31, 2021 compared to July 31, 2020 was mainly due to the effect of currency fluctuations during the six-month period.

Amortization expense of intangible assets was $1,353 and $1,291 for the three months ended January 31, 2021 and 2020, respectively, and $2,704 and $2,582 for the six months ended January 31, 2021 and 2020, respectively. Amortization expense over each of the next three fiscal years is projected to be $5,407, $5,123, and $2,241 for the fiscal years ending July 31, 2021, 2022, and 2023. No amortization expense for intangible assets is projected after July 31, 2023.