UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 71us-gaap_ProfitLoss	$ 19,014us-gaap_ProfitLoss	$ 72,899us-gaap_ProfitLoss	$ 155,810us-gaap_ProfitLoss
Currency translation adjustments	(20,175)	4,416	(30,691)	15,861
Other comprehensive income (loss)	(20,104)	23,430	42,208	171,671
Net (income) loss attributable to noncontrolling interests	(1,039)	(87)	(3,676)	609
Currency translation adjustment attributable to noncontrolling interest	2,381	18	2,415	(220)
Total comprehensive (income) loss attributable to noncontrolling interests	1,342	(69)	(1,261)	389
Total comprehensive income (loss) attributable to Bristow Group	$ (18,762)us-gaap_ComprehensiveIncomeNetOfTax	$ 23,361us-gaap_ComprehensiveIncomeNetOfTax	$ 40,947us-gaap_ComprehensiveIncomeNetOfTax	$ 172,060us-gaap_ComprehensiveIncomeNetOfTax

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 of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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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 noncontrolling interests.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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