CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 109,884	$ 30,434	$ 136,796	$ 54,630
Currency translation adjustments	15,874	4,222	11,445	4,728
Other comprehensive income	125,758	34,656	148,241	59,358
Net income attributable to noncontrolling interests	722	(766)	696	(1,300)
Currency translation adjustment attributable to noncontrolling interest	(108)	99	(238)	(102)
Total comprehensive income attributable to noncontrolling interests	614	(667)	458	(1,402)
Total comprehensive income attributable to Bristow Group	$ 126,372	$ 33,989	$ 148,699	$ 57,956