Bristow Group Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT Narrative (Details)

LONG-TERM DEBT Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
LONG-TERM DEBT Narrative (Details) - USD ($)	Dec. 07, 2012	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Debt Instrument [Line Items]
Gain (loss) on debt extinguishment		$ 0	$ (16,000)	$ 518,000	$ 248,000
Debt issuance cost		2,473,000		2,473,000		$ 2,740,000
Contribution of capital from joint venture partner				6,349,000
Senior Notes \| Senior Unsecured Notes Due December 15, 2022
Debt Instrument [Line Items]
Aggregate principal amount	$ 200,000,000.0
Stated interest rate	7.75%
Proceeds from issuance of long-term debt	$ 191,900,000
Repurchase amount				5,000,000	24,900,000
Gain (loss) on debt extinguishment				500,000	$ 200,000
Promissory notes
Debt Instrument [Line Items]
Payments on other long-term debt				$ (1,400,000)
Senior secured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing amount								$ 300,000,000.0
Increase in commitments due to accordion feature								100,000,000.0
Commitment fee basis point				0.50%
Outstanding borrowings		70,000,000		$ 70,000,000
Letters of credit outstanding		$ 1,200,000		$ 1,200,000
Debt issuance cost							$ 2,400,000
Senior secured revolving credit facility \| Minimum
Debt Instrument [Line Items]
Commitment fee basis point				0.375%
Senior secured revolving credit facility \| Maximum
Debt Instrument [Line Items]
Commitment fee basis point				0.50%
Senior secured revolving credit facility \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate				1.25%
Senior secured revolving credit facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				0.75%
Senior secured revolving credit facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				2.00%
Senior secured revolving credit facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate				2.25%
Senior secured revolving credit facility \| London Interbank Offered Rate (LIBOR) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				1.75%
Senior secured revolving credit facility \| London Interbank Offered Rate (LIBOR) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				3.00%
Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing amount								$ 50,000,000.0
Aeroleo
Debt Instrument [Line Items]
Contribution of capital from joint venture partner				$ 6,300,000
Aeroleo \| Loans Payable
Debt Instrument [Line Items]
Loan payment				$ (1,000,000)