CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 187,779	$ 131,675	$ 65,241
Currency translation adjustments	18,729	(11,982)	905
Pension liability adjustment, net of tax	23,367	(28,462)	(27,877)
Unrealized loss on cash flow hedges, net	0	0	(2,150)
Other comprehensive income	229,875	91,231	36,119
Net income attributable to noncontrolling interests	(1,042)	(1,573)	(1,711)
Currency Translation Adjustment Attributable to Noncontrolling Interest and Temporary Equity	(1,081)	0	0
Total comprehensive (income) loss attributable to noncontrolling interests	39	(1,573)	(1,711)
Total comprehensive income attributable to Bristow Group	$ 229,914	$ 89,658	$ 34,408