Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Gross revenue:
Operating revenue from non-affiliates	$ 314,849	$ 277,029
Operating revenue from affiliates	5,805	9,732
Reimbursable revenue from non-affiliates	41,954	34,301
Reimbursable revenue from affiliates	0	43
Total consolidated gross revenue	362,608	321,105
Operating expense:
Direct cost	222,768	196,622
Reimbursable expense	40,172	33,134
Depreciation and amortization	21,372	22,708
General and administrative	34,977	39,645
Total operating expense	319,289	292,109
Gain (loss) on disposal of assets	(5,315)	1,416
Earnings from unconsolidated affiliates, net of losses	1,989	5,993
Operating income	39,993	36,405
Interest income	88	171
Interest expense	(8,774)	(8,955)
Other income (expense), net	(931)	204
Income before provision for income taxes	30,376	27,825
Provision for income taxes	(6,180)	(6,606)
Net income	24,196	21,219
Net income attributable to noncontrolling interests	(534)	(174)
Net income attributable to Bristow Group	23,662	21,045
Net income available to common stockholders	$ 23,662	$ 21,045
Earnings per common share:
Basic earnings per share	$ 0.66	$ 0.58
Diluted earnings per share	$ 0.65	$ 0.57
Cash dividends declared per common share	$ 0.20	$ 0.15