v2.4.1.9

QUARTERLY FINANCIAL INFORMATION (Unaudited) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 450,355,000 us-gaap_Revenues | $ 460,140,000 us-gaap_Revenues | $ 475,636,000 us-gaap_Revenues | $ 472,538,000 us-gaap_Revenues | $ 440,925,000 us-gaap_Revenues | $ 412,335,000 us-gaap_Revenues | $ 417,328,000 us-gaap_Revenues | $ 398,994,000 us-gaap_Revenues | $ 1,858,669,000 us-gaap_Revenues | $ 1,669,582,000 us-gaap_Revenues | $ 1,508,473,000 us-gaap_Revenues
Operating income | 27,702,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 8,916,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 44,064,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 65,192,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 47,421,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 29,502,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 53,935,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 56,119,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 145,874,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 186,977,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment | 224,144,000 brs_OperatingIncomeLossIncludingIncomeLossFromUnconsolidatedAffiliatesAndGainLossFromSaleOfPropertyPlantAndEquipment
Net income attributable to Bristow Group | 15,077,000 us-gaap_NetIncomeLoss | (968,000)us-gaap_NetIncomeLoss | 26,082,000 us-gaap_NetIncomeLoss | 44,109,000 us-gaap_NetIncomeLoss | 30,318,000 us-gaap_NetIncomeLoss | 18,927,000 us-gaap_NetIncomeLoss | 110,606,000 us-gaap_NetIncomeLoss | 26,886,000 us-gaap_NetIncomeLoss | 84,300,000 us-gaap_NetIncomeLoss | 186,737,000 us-gaap_NetIncomeLoss | 130,102,000 us-gaap_NetIncomeLoss
Basic earnings per share | $ 0.43 us-gaap_EarningsPerShareBasic | $ (0.03)us-gaap_EarningsPerShareBasic | $ 0.74 us-gaap_EarningsPerShareBasic | $ 1.24 us-gaap_EarningsPerShareBasic | $ 0.84 us-gaap_EarningsPerShareBasic | $ 0.52 us-gaap_EarningsPerShareBasic | $ 3.04 us-gaap_EarningsPerShareBasic | $ 0.74 us-gaap_EarningsPerShareBasic | $ 2.40 us-gaap_EarningsPerShareBasic | $ 5.15 us-gaap_EarningsPerShareBasic | $ 3.61 us-gaap_EarningsPerShareBasic
Diluted earnings per share | $ 0.43 us-gaap_EarningsPerShareDiluted | $ (0.03)us-gaap_EarningsPerShareDiluted | $ 0.73 us-gaap_EarningsPerShareDiluted | $ 1.23 us-gaap_EarningsPerShareDiluted | $ 0.83 us-gaap_EarningsPerShareDiluted | $ 0.51 us-gaap_EarningsPerShareDiluted | $ 3.01 us-gaap_EarningsPerShareDiluted | $ 0.74 us-gaap_EarningsPerShareDiluted | $ 2.37 us-gaap_EarningsPerShareDiluted | $ 5.09 us-gaap_EarningsPerShareDiluted | $ 3.57 us-gaap_EarningsPerShareDiluted
Extinguishment of debt |  |  |  |  |  |  |  |  | (2,591,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | 0 us-gaap_GainsLossesOnExtinguishmentOfDebt | (14,932,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
Gain (loss) on disposal of assets | (10,300,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (26,300,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 100,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 600,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 100,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 4,000,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (3,100,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (1,700,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (35,849,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (722,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 8,068,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment
North America restructuring [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  |  | (600,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (1,000,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (800,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (2,100,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (500,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  | (400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (700,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (500,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (1,400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | (400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  | $ (0.01)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | $ (0.02)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | $ (0.01)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | $ (0.04)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember | $ (0.01)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_BusinessRestructuringReservesMember |  |  |  |
Employee severance [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net | (900,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  | (1,800,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | (3,700,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | (4,800,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net | (600,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  | (1,200,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | (2,400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | (3,100,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net | $ (0.02)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  | $ (0.03)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | $ (0.07)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember | $ (0.09)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_EmployeeSeveranceMember |  |  |  |  |  |
Repurchase of debt [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  | (600,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember | (800,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember | (700,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember |  |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  | $ (0.02)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember | $ (0.02)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember | $ (0.02)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_RepurchaseOfDebtMember |  |  |  |  |  |  |
Inventory valuation reserve [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  | (3,800,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | (3,400,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | (10,500,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | (1,500,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | (800,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  | (3,000,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | (2,700,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | (8,400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | (1,000,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | (500,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  | $ (0.09)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | $ (0.08)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | $ (0.23)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  | $ (0.03)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember | $ (0.01)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_InventoryValuationReserveMember |  |  |
Adjustments for error correction [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  | (5,300,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_AdjustmentsForErrorCorrectionMember |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  | (4,200,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_AdjustmentsForErrorCorrectionMember |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  | $ (0.12)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_AdjustmentsForErrorCorrectionMember |  |  |  |  |  |  |  |  |
Cost reversal [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  | 800,000 brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_CostReversalMember |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  | 600,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_CostReversalMember |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  | $ 0.02 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_CostReversalMember |  |  |  |  |  |  |  |  |
Sale of affiliate [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  | 2,500,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_SaleOfAffiliateMember |  |  |  |  | 67,900,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_SaleOfAffiliateMember |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  | $ 0.07 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_SaleOfAffiliateMember |  |  |  |  | $ 1.85 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_SaleOfAffiliateMember |  |  |  |
Damage from fire, explosion or other hazard [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  |  |  |  | (8,600,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  |  |  | (6,600,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  |  |  | $ (0.18)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember |  |  |  |  |  |
Goodwill [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  |  |  |  | (600,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_GoodwillMember |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  |  |  | (400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_GoodwillMember |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  |  |  | $ (0.01)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_GoodwillMember |  |  |  |  |  |
Cancellation of potential financing [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  |  |  |  |  |  | (8,300,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_CancellationOfPotentialFinancingMember |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  |  |  |  |  |  | $ (0.23)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_CancellationOfPotentialFinancingMember |  |  |
Contract termination [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  |  |  |  |  | (2,100,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_ContractTerminationMember |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  |  |  |  | (1,600,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_ContractTerminationMember |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  |  |  |  | $ (0.04)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = us-gaap_ContractTerminationMember |  |  |  |  |
Tax amnesty [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net |  |  |  |  | 4,200,000 brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember | (19,300,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net |  |  |  |  | 2,800,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember | (12,600,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net |  |  |  |  | $ 0.08 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember | $ (0.34)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_TaxAmnestyMember |  |  |  |  |
Fleet change [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Operating Income Impact Net | (10,400,000)brs_UnusualOrInfrequentItemOperatingIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_FleetChangeMember |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net | (8,000,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_FleetChangeMember |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net | $ (0.23)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_FleetChangeMember |  |  |  |  |  |  |  |  |  |
Disposal of assets [Member] |  |  |  |  |  |  |  |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unusual Or Infrequent Item Net Income Impact Net | $ (8,100,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (21,000,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 100,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 500,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 100,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 3,100,000 brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (2,400,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (1,300,000)brs_UnusualOrInfrequentItemNetIncomeImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember |  |  |
Unusual or Infrequent Item, Earnings Per Share Impact, Net | $ (0.23)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (0.60)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 0.00 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 0.01 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 0.00 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ 0.09 us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (0.07)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember | $ (0.04)us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet / us-gaap_UnusualOrInfrequentItemAxis = brs_DisposalOfAssetsMemberMember |  |  |

X
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