Goodwill	6 Months Ended
Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	5. Goodwill We test goodwill for impairment annually during our first fiscal quarter, referred to as the annual test date. We will also test for impairment between annual test dates if an event occurs or circumstances change that would indicate the carrying amount may be impaired. We have not identified any events or circumstances as of September 30, 2018 that would require an interim goodwill impairment test. We do not amortize goodwill as it has been determined to have an indefinite useful life. The carrying amount of goodwill as of September 30, 2018 was $218,771, which reflects the acquisitions of Entrada, EagleDream and Inforth (see Note 4). The carrying amount of goodwill as of March 31, 2018 was $218,875.

Goodwill

6 Months Ended

Sep. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

5. Goodwill

We test goodwill for impairment annually during our first fiscal quarter, referred to as the annual test date. We will also test for impairment between annual test dates if an event occurs or circumstances change that would indicate the carrying amount may be impaired. We have not identified any events or circumstances as of September 30, 2018 that would require an interim goodwill impairment test.

We do not amortize goodwill as it has been determined to have an indefinite useful life. The carrying amount of goodwill as of September 30, 2018 was $218,771, which reflects the acquisitions of Entrada, EagleDream and Inforth (see Note 4). The carrying amount of goodwill as of March 31, 2018 was $218,875.