Identifiable Intangible Assets

3 Months Ended

May 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Identifiable Intangible Assets

Identifiable Intangible Assets

Identifiable intangible assets consist primarily of trademarks, copyrights and patents, purchased technologies, customer and reseller relationships and covenants not to compete, all of which are amortized over the estimated useful life, generally on a straight-line basis, with the exception of customer and reseller relationships, which are generally amortized over the greater of straight-line over the estimated useful life or the related asset’s pattern of economic benefit. Useful lives range from two years to 10 years. As of May 31, 2019 and February 28, 2019, trademarks with an indefinite estimated useful life totaled $11.2 million and $11.4 million, respectively.

The following is a summary of identifiable intangible assets (in thousands):

	May 31, 2019							February 28, 2019
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Trademarks, copyrights and patents	$	180,240	$	(86,132	)	$	94,108	$	176,704	$	(82,967	)	$	93,737
Purchased technologies	218,561		(118,705		)	99,856		219,196		(113,617		)	105,579
Customer and reseller relationships	105,562		(102,047		)	3,515		105,737		(100,947		)	4,790
Covenants not to compete	15,661		(14,800		)	861		15,787		(14,728		)	1,059
Other intangible assets	8,833		(8,259		)	574		8,833		(7,915		)	918
Total identifiable intangible assets	$	528,857	$	(329,943	)	$	198,914	$	526,257	$	(320,174	)	$	206,083

Amortization expense associated with identifiable intangible assets recognized in the Company’s Consolidated Financial Statements is summarized as follows (in thousands):

	Three Months Ended
	May 31, 2019		May 31, 2018
Cost of revenue	$	6,660	$	6,485
Sales and marketing	1,194		1,362
Research and development	34		34
General and administrative	2,517		2,373
Total amortization expense	$	10,405	$	10,254