Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (24,222)	$ (8,998)
Other comprehensive income (loss):
Cumulative translation adjustments	1,135	(258)
Changes in market value of investments:
Changes in unrealized (losses) gains, net of (benefit) tax of ($2) and $0, respectively	(4)	41
Total net change in market value of investments	(4)	41
Changes in market value of derivatives:
Changes in market value of derivatives, net of tax (benefit) of $189 and ($19), respectively	305	(31)
Reclassification adjustment for net gains included in net loss, net of taxes of $5, and $8, respectively	7	14
Total net change in market value of derivatives	312	(17)
Other comprehensive income (loss)	1,443	(234)
Total comprehensive loss	$ (22,779)	$ (9,232)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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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.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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