Intangible Assets and Goodwill

6 Months Ended

May 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets are comprised of the following significant classes (in thousands):


	May 31, 2021						November 30, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Purchased technology	$	173,486	$	(120,984)	$	52,502	$	173,486	$	(113,863)	$	59,623
Customer-related	231,342		(104,265)		127,077		231,342		(91,326)		140,016
Trademarks and trade names	30,440		(19,861)		10,579		30,440		(18,275)		12,165
Non-compete agreement	2,000		(1,390)		610		2,000		(1,057)		943
Total	$	437,268	$	(246,500)	$	190,768	$	437,268	$	(224,521)	$	212,747

In the three and six month ended May 31, 2021, amortization expense related to intangible assets was $11.6 million and $22.0 million, respectively. In the three and six months ended May 31, 2020, amortization expense related to intangible assets was $5.8 million and $11.6 million, respectively.

Future amortization expense for intangible assets as of May 31, 2021, is as follows (in thousands):


Remainder of 2021	$	22,912
2022	44,836
2023	44,560
2024	31,743
2025	21,233
Thereafter	25,484
Total	$	190,768

Goodwill

Changes in the carrying amount of goodwill in the six months ended May 31, 2021 are as follows (in thousands):


Balance, November 30, 2020	$	491,726
Translation adjustments	5
Balance, May 31, 2021	$	491,731

During the quarter ending May 31, 2021, no triggering events occurred that would indicate that it is more likely than not that the carrying values of any of our reporting units exceeded their fair values.