GOODWILL AND INTANGIBLE ASSETS: (Details) $ in Thousands	3 Months Ended
Jun. 30, 2019 USD ($)
Goodwill
Goodwill at the beginning of year	$ 204,656
Reallocation of segments	3,110
Change in foreign currency translation adjustment	12
Goodwill at the end of year	207,778
U.S.
Goodwill
Goodwill at the end of year	204,586
APAC
Goodwill
Goodwill at the end of year	$ 3,192

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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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.

+ References

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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