UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 3,568	$ 71	$ (43,741)	$ 72,899
Other comprehensive income:
Currency translation adjustments	(3,639)	(20,175)	(7,981)	(30,691)
Total comprehensive income (loss)	(71)	(20,104)	(51,722)	42,208
Net income attributable to noncontrolling interests	(366)	(1,039)	(3,446)	(3,676)
Currency translation adjustments attributable to noncontrolling interests	(605)	2,381	(34)	2,415
Total comprehensive (income) loss attributable to noncontrolling interests	(971)	1,342	(3,480)	(1,261)
Total comprehensive income (loss) attributable to Bristow Group	(1,042)	(18,762)	(55,202)	40,947
Accretion of redeemable noncontrolling interests	0	0	1,498	0
Total comprehensive income (loss) attributable to common stockholders	$ (1,042)	$ (18,762)	$ (56,700)	$ 40,947