This is the call option guaranteed rate for our noncontrolling shareholder.

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Call option price held by noncontrolling interest.

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No definition available.

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- Definition

This is the call option rate over LIBOR for our noncontrolling shareholder.

+ References

No definition available.

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- Definition

The number of classes of shares the company owns.

+ References

No definition available.

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- Definition

Number of variable interest entities of which we are the primary beneficiary.

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No definition available.

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- Definition

Number Of voting rights held by each board of director.

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No definition available.

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- Definition

The number of board of directors nominations one can appoint.

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No definition available.

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- Definition

This is put option guaranteed rate for noncontrolling interest.

+ References

No definition available.

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- Definition

Total Amount Paid For Deferred Shares

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No definition available.

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- Definition

Shares acquired of VIE entity.

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No definition available.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) third party (directly or indirectly).

+ References

No definition available.

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- Definition

The percentage of the Variable Interest Entity's (VIE) voting interest purchased from (or beneficial interest in) third parties (directly or indirectly).

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No definition available.

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Stated interest rate of the subordinated debt.

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No definition available.

+ Details

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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VARIABLE INTEREST ENTITIES - Narrative (Details) £ / shares in Units, $ in Thousands, £ in Millions	1 Months Ended		3 Months Ended	9 Months Ended
	Apr. 30, 2015	Jul. 31, 2014	Jun. 30, 2018 GBP (£) Affiliates Class_Of_Shares Nominations voting_rights	Dec. 31, 2013	Jun. 30, 2018 USD ($) Class_Of_Shares voting_rights	Mar. 31, 2018 USD ($)	May 31, 2004 USD ($) shares	May 31, 2004 £ / shares	Apr. 30, 2004
Variable Interest Entity [Line Items]
Number of variable interest entities \| Affiliates			4
Deferred interest accrued \| $					$ 16,388	$ 16,345
Caledonia Investments Plc
Variable Interest Entity [Line Items]
Ownership percentage by third party			46.00%
European Union
Variable Interest Entity [Line Items]
Ownership percentage by third party			5.00%
Nigerian Company owned by 100% Nigerian Employees
Variable Interest Entity [Line Items]
Ownership percentage by third party			50.00%
Purchased percentage from third party	2.00%	29.00%		19.00%
Employee Trust Fund
Variable Interest Entity [Line Items]
Ownership percentage by third party			2.00%
Bristow Aviation Holdings Limited
Variable Interest Entity [Line Items]
Ownership percentage in Variable Interest Entity			49.00%
Number of class of shares \| Class_Of_Shares			3		3
Ownership percentage by third party			51.00%
Purchase of deferred stock shares \| shares							8,000,000
Business acquisition share price \| £ / shares								£ 1
Total amount paid for deferred shares \| $							$ 14,400
Principal amount of subordinated unsecured loan stock			£ 91.0		$ 120,100
Interest rate on unsecured loan			13.50%
Deferred interest accrued \| $					$ 2,196,334	$ 2,130,433
Call option price held by noncontrolling interest \| £			£ 1.0
Call Option Rate Over LIBOR			3.00%		3.00%
Call Option Guaranteed Rate							12.00%
Put Option Guaranteed Rate									10.00%
Bristow Aviation Holdings Limited \| Caledonia Investments Plc
Variable Interest Entity [Line Items]
Number Of Voting Rights \| voting_rights			3		3
Number of Board Of Directors Nomination \| Nominations			2
Bristow Aviation Holdings Limited \| Director
Variable Interest Entity [Line Items]
Number Of Voting Rights \| voting_rights			1		1
Bristow Aviation Holdings Limited \| Director Two
Variable Interest Entity [Line Items]
Number Of Voting Rights \| voting_rights			1		1
Bristow Helicopters Nigeria Ltd
Variable Interest Entity [Line Items]
Ownership percentage in Variable Interest Entity			48.00%
Purchased percentage from third party	8.00%
Pan African Airlines Nigeria Ltd
Variable Interest Entity [Line Items]
Ownership percentage in Variable Interest Entity			50.17%