Bristow Group Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

DEBT - Narrative (Details)

DEBT - Narrative (Details) € in Millions, £ in Millions	1 Months Ended				12 Months Ended
DEBT - Narrative (Details) € in Millions, £ in Millions	Jun. 30, 2024 EUR (€)	Jan. 31, 2024 GBP (£)	Jan. 31, 2023 GBP (£) loan	Feb. 28, 2021 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 31, 2026 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt \| £		£ 200	£ 145
Unamortized debt issuance costs					$ 12,100,000
Long-term debt					$ 671,454,000		$ 689,783,000
Senior Notes \| 6.875% Senior Notes
Debt Instrument [Line Items]
Stated interest rate				6.875%	6.875%		6.875%
Face amount				$ 400,000,000.0
Proceeds from issuance of long-term debt				$ 395,000,000.0
Redemption price				101.00%
Interest expense, debt					$ 27,500,000
Unamortized debt issuance costs					3,000,000.0		$ 4,400,000
Long-term debt					397,031,000		395,610,000
Senior Notes \| 6.875% Senior Notes \| Subsequent Event
Debt Instrument [Line Items]
Stated interest rate									6.75%
Face amount									$ 500,000,000
Senior Notes \| 6.875% Senior Notes \| Private Placement \| Subsequent Event
Debt Instrument [Line Items]
Stated interest rate									6.75%
Secured Debt \| UKSAR Debt
Debt Instrument [Line Items]
Interest expense, debt					14,200,000		14,300,000	$ 11,400,000
Unamortized debt issuance costs					6,600,000		9,100,000
Principal payment					57,800,000		15,400,000	$ 13,000,000.0
Debt instrument, voluntary prepayments					40,100,000	€ 29.6
Long-term debt					160,635,000		200,273,000
Debt instruments, number of agreements \| loan			2
Debt instrument term		12 years	13 years
Secured Debt \| UKSAR Debt \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity \| £		£ 55
Secured Debt \| IRCG Debt
Debt Instrument [Line Items]
Interest expense, debt					5,100,000		1,500,000
Unamortized debt issuance costs					2,500,000		2,800,000
Long-term debt					113,788,000		93,900,000
Line of Credit \| IRCG Debt \| Revolving Credit Facility
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt \| €	€ 100.0
Proceeds from long-term lines of credit					5,800,000	€ 5.6
Commitment fee percentage	80.00%
Line of Credit \| ABL Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					85,000,000.0
Line of Credit \| ABL Facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 70,000,000
Accordion feature, maximum borrowing capacity									$ 105,000,000
Line of Credit \| ABL Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					9,400,000		8,100,000
Maximum borrowing capacity increase					120,000,000.0
Long-term debt					$ 0		$ 0