Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Gross revenue:
Operating revenue from non-affiliates	$ 319,663	$ 288,780	$ 634,512	$ 565,809
Operating revenue from affiliates	6,288	8,276	12,093	18,008
Reimbursable revenue from non-affiliates	39,719	33,673	81,673	67,974
Reimbursable revenue from affiliates	84	263	84	306
Total consolidated gross revenue	365,754	330,992	728,362	652,097
Operating expense:
Direct cost	224,495	203,635	447,263	400,257
Reimbursable expense	38,634	32,770	78,806	65,904
Impairment of inventories		24,610	0	24,610
Depreciation and amortization	23,321	25,431	44,693	48,139
General and administrative	37,708	29,303	72,685	68,948
Total operating expense	324,158	315,749	643,447	607,858
Loss on disposal of assets	(1,262)	(1,611)	(6,577)	(195)
Earnings from unconsolidated affiliates, net of losses	6,994	(4,037)	8,983	1,956
Operating income	47,328	9,595	87,321	46,000
Interest income	263	153	351	324
Interest expense	(8,597)	(9,459)	(17,371)	(18,414)
Other income (expense), net	(218)	727	(1,149)	931
Income before provision for income taxes	38,776	1,016	69,152	28,841
Provision for income taxes	(8,342)	1,945	(14,522)	(4,661)
Net income	30,434	2,961	54,630	24,180
Net income attributable to noncontrolling interests	(766)	(250)	(1,300)	(424)
Net income attributable to Bristow Group	29,668	2,711	53,330	23,756
Net income available to common stockholders	$ 29,668	$ 2,711	$ 53,330	$ 23,756
Earnings per common share:
Basic earnings per share	$ 0.83	$ 0.07	$ 1.49	$ 0.66
Diluted earnings per share	$ 0.82	$ 0.07	$ 1.46	$ 0.65
Cash dividends declared per common share	$ 0.20	$ 0.15	$ 0.40	$ 0.30