CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 46,280	$ 71,693
Other comprehensive income (loss):
Foreign currency translation adjustment	(8,797)	(26,817)
Cash flow hedges:
Change in unrealized gains (losses)	202	991
Reclassification to earnings	1,083	0
Tax effect on effective cash flow hedges	(9)	133
Change in fair value of effective cash flow hedge	1,276	1,124
Available-for-sale securities:
Unrealized loss, net on available-for-sale securities, net of taxes	722	409
Change in fair value of available for sale securities	722	409
Other comprehensive loss	(6,799)	(25,284)
Comprehensive income	$ 39,481	$ 46,409

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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