Intangible Assets

9 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

6. Intangible Assets

Our definite-lived intangible assets, other than capitalized software development costs, are summarized as follows, and reflects the acquisitions of Entrada, EagleDream and Inforth (see Note 4):

	December 31, 2018
	Customer			Software
	Relationships			Technology			Total
Gross carrying amount	$	54,450		$	94,310		$	148,760
Accumulated amortization		(38,847	)		(52,002	)		(90,849	)
Net intangible assets	$	15,603		$	42,308		$	57,911

	March 31, 2018
	Customer			Software
	Relationships			Technology			Total
Gross carrying amount	$	54,450		$	94,310		$	148,760
Accumulated amortization		(35,531	)		(39,138	)		(74,669	)
Net intangible assets	$	18,919		$	55,172		$	74,091

Amortization expense related to customer relationships and contracts recorded as operating expenses in the consolidated statements of comprehensive income was $1,028 and $1,956 for the three months ended December 31, 2018 and 2017, respectively. Amortization expense related to software technology recorded as cost of revenue was $4,288 and $4,127 for the three months ended December 31, 2018 and 2017, respectively.

Amortization expense related to customer relationships and contracts recorded as operating expenses in the consolidated statements of comprehensive income was $3,317 and $6,015 for the nine months ended December 31, 2018 and 2017, respectively. Amortization expense related to software technology recorded as cost of revenue was $12,863 and $11,335 for the nine months ended December 31, 2018 and 2017, respectively.

The following table summarizes the remaining estimated amortization of definite-lived intangible assets as of December 31, 2018:

	Estimated Remaining Amortization Expense
	Operating Expense		Cost of Revenue		Total
For the year ended March 31,
2019 (remaining three months)	$	1,028	$	4,288	$	5,316
2020		3,460		17,151		20,611
2021		2,803		13,268		16,071
2022		2,273		5,480		7,753
2023		1,866		1,761		3,627
2024 and beyond		4,173		360		4,533
Total	$	15,603	$	42,308	$	57,911