Changes in Carrying Amount of Goodwill by Location (Detail) $ in Thousands	6 Months Ended
Sep. 30, 2018 USD ($)
Goodwill, beginning balance	$ 40,054
Additions due to acquisitions	300
Foreign currency translation	(859)
Goodwill, ending balance	39,495
Americas
Goodwill, beginning balance	27,309
Additions due to acquisitions	300
Foreign currency translation	0
Goodwill, ending balance	27,609
Europe
Goodwill, beginning balance	12,745
Additions due to acquisitions	0
Foreign currency translation	(859)
Goodwill, ending balance	$ 11,886

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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