SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION BS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 121,366	$ 204,341	$ 323,230	$ 215,623
Accounts Receivable, Net, Current	295,571us-gaap_AccountsReceivableNetCurrent	297,443us-gaap_AccountsReceivableNetCurrent
Inventories	139,027us-gaap_InventoryNet	137,463us-gaap_InventoryNet
Assets held for sale	25,837	29,276
Prepaid expenses and other current assets	50,140	53,084
Total current assets	631,941us-gaap_AssetsCurrent	721,607us-gaap_AssetsCurrent
Intercompany investment	0brs_IntercompanyInvestment	0brs_IntercompanyInvestment
Investment in unconsolidated affiliates	257,073	262,615
Intercompany notes receivable	0us-gaap_DueFromRelatedPartiesNoncurrent	0us-gaap_DueFromRelatedPartiesNoncurrent
Total property and equipment, at cost	2,624,260us-gaap_PropertyPlantAndEquipmentGross	2,792,123us-gaap_PropertyPlantAndEquipmentGross
Less - Accumulated depreciation and amortization	(494,872)	(523,372)
Property, Plant and Equipment, Net	2,129,388us-gaap_PropertyPlantAndEquipmentNet	2,268,751us-gaap_PropertyPlantAndEquipmentNet
Goodwill	53,828us-gaap_Goodwill	56,680us-gaap_Goodwill
Other assets	107,512us-gaap_OtherAssetsNoncurrent	88,604us-gaap_OtherAssetsNoncurrent
Total assets	3,179,742us-gaap_Assets	3,398,257us-gaap_Assets
Accounts payable	90,047us-gaap_AccountsPayableCurrent	89,818us-gaap_AccountsPayableCurrent
Accrued Liabilities	200,343us-gaap_AccruedLiabilitiesCurrent	204,498us-gaap_AccruedLiabilitiesCurrent
Current deferred taxes	12,670us-gaap_DeferredTaxLiabilitiesCurrent	12,372us-gaap_DeferredTaxLiabilitiesCurrent
Short-term borrowings and current maturities of long-term debt	14,277us-gaap_DebtCurrent	14,207us-gaap_DebtCurrent
Deferred sale leaseback advance	55,671brs_DeferredSaleLeasebackAdvanceCurrent	136,930brs_DeferredSaleLeasebackAdvanceCurrent
Total current liabilities	373,008us-gaap_LiabilitiesCurrent	457,825us-gaap_LiabilitiesCurrent
Long-term debt, less current maturities	803,911us-gaap_LongTermDebtNoncurrent	827,095us-gaap_LongTermDebtNoncurrent
Intercompany notes payable	0us-gaap_DueToRelatedPartiesNoncurrent	0us-gaap_DueToRelatedPartiesNoncurrent
Accrued pension liabilities	62,110	86,823
Other liabilities and deferred credits	59,953us-gaap_OtherLiabilitiesNoncurrent	78,126us-gaap_OtherLiabilitiesNoncurrent
Deferred taxes	162,895	169,519
Temporary equity	23,660	22,283
Common stock	375us-gaap_CommonStockValue	373us-gaap_CommonStockValue
Additional paid-in capital	776,000us-gaap_AdditionalPaidInCapital	762,813us-gaap_AdditionalPaidInCapital
Retained earnings	1,280,508	1,245,220
Accumulated other comprehensive income (loss)	(184,782)	(156,506)
Treasury shares	(184,796)us-gaap_TreasuryStockValue	(103,965)us-gaap_TreasuryStockValue
Stockholders' equity	1,687,305us-gaap_StockholdersEquity	1,747,935us-gaap_StockholdersEquity
Noncontrolling interests	6,900us-gaap_MinorityInterest	8,651us-gaap_MinorityInterest
Total stockholders' investment	1,694,205	1,756,586
Total liabilities and stockholders' investment	3,179,742	3,398,257
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	5,102	4,640	14,035	31,853
Accounts Receivable, Net, Current	246,366	32,280
Inventories	0	0
Assets held for sale	0	0
Prepaid expenses and other current assets	2,674	3,882
Total current assets	254,142	40,802
Intercompany investment	1,331,257	1,273,337
Investment in unconsolidated affiliates	0	0
Intercompany notes receivable	1,241,045	1,286,354
Total property and equipment, at cost	103,373	65,071
Less - Accumulated depreciation and amortization	(15,063)	(13,057)
Property, Plant and Equipment, Net	88,310	52,014
Goodwill	0	0
Other assets	37,092	204,679
Total assets	2,951,846	2,857,186
Accounts payable	152,222	8,298
Accrued Liabilities	20,058	36,442
Current deferred taxes	(9,003)	(7,640)
Short-term borrowings and current maturities of long-term debt	7,951	4,543
Deferred sale leaseback advance	0	0
Total current liabilities	171,228	41,643
Long-term debt, less current maturities	788,397	805,965
Intercompany notes payable	30,000	0
Accrued pension liabilities	0	0
Other liabilities and deferred credits	13,070	13,750
Deferred taxes	140,584	144,461
Temporary equity	0	0
Common stock	375	373
Additional paid-in capital	776,000	762,813
Retained earnings	1,280,508	1,245,220
Accumulated other comprehensive income (loss)	(65,054)	(54,719)
Treasury shares	(184,796)	(103,965)
Stockholders' equity	1,807,033	1,849,722
Noncontrolling interests	1,534	1,645
Total stockholders' investment	1,808,567	1,851,367
Total liabilities and stockholders' investment	2,951,846	2,857,186
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	394	0	10,162	5,370
Accounts Receivable, Net, Current	288,438	104,155
Inventories	42,719	40,864
Assets held for sale	8,748	8,505
Prepaid expenses and other current assets	4,629	3,258
Total current assets	344,928	156,782
Intercompany investment	103,797	111,435
Investment in unconsolidated affiliates	0	0
Intercompany notes receivable	0	0
Total property and equipment, at cost	1,158,442	1,406,625
Less - Accumulated depreciation and amortization	(214,191)	(211,385)
Property, Plant and Equipment, Net	944,251	1,195,240
Goodwill	4,756	4,755
Other assets	2,710	1,462
Total assets	1,400,442	1,469,674
Accounts payable	269,782	67,728
Accrued Liabilities	42,743	32,084
Current deferred taxes	248	(1,342)
Short-term borrowings and current maturities of long-term debt	0	0
Deferred sale leaseback advance	55,671	136,930
Total current liabilities	368,444	235,400
Long-term debt, less current maturities	0	0
Intercompany notes payable	131,075	378,983
Accrued pension liabilities	0	0
Other liabilities and deferred credits	8,637	37,876
Deferred taxes	8,629	9,472
Temporary equity	0	0
Common stock	4,996	4,996
Additional paid-in capital	9,291	9,291
Retained earnings	869,370	793,656
Accumulated other comprehensive income (loss)	0	0
Treasury shares	0	0
Stockholders' equity	883,657	807,943
Noncontrolling interests	0	0
Total stockholders' investment	883,657	807,943
Total liabilities and stockholders' investment	1,400,442	1,469,674
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	115,870	200,147	299,033	178,400
Accounts Receivable, Net, Current	371,311	310,288
Inventories	96,308	96,599
Assets held for sale	17,089	20,771
Prepaid expenses and other current assets	42,837	45,944
Total current assets	643,415	673,749
Intercompany investment	0	0
Investment in unconsolidated affiliates	257,073	262,615
Intercompany notes receivable	0	0
Total property and equipment, at cost	1,362,445	1,320,427
Less - Accumulated depreciation and amortization	(265,618)	(298,930)
Property, Plant and Equipment, Net	1,096,827	1,021,497
Goodwill	49,072	51,925
Other assets	67,710	50,392
Total assets	2,114,097	2,060,178
Accounts payable	212,069	157,297
Accrued Liabilities	153,897	141,423
Current deferred taxes	21,425	21,354
Short-term borrowings and current maturities of long-term debt	6,326	9,664
Deferred sale leaseback advance	0	0
Total current liabilities	393,717	329,738
Long-term debt, less current maturities	15,514	21,130
Intercompany notes payable	1,122,535	1,076,292
Accrued pension liabilities	62,110	86,823
Other liabilities and deferred credits	44,650	26,500
Deferred taxes	13,682	15,586
Temporary equity	23,660	22,283
Common stock	22,876	22,876
Additional paid-in capital	270,905	270,905
Retained earnings	152,654	177,159
Accumulated other comprehensive income (loss)	(13,572)	3,880
Treasury shares	0	0
Stockholders' equity	432,863	474,820
Noncontrolling interests	5,366	7,006
Total stockholders' investment	438,229	481,826
Total liabilities and stockholders' investment	2,114,097	2,060,178
Consolidations, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0	(446)	0	0
Accounts Receivable, Net, Current	(610,544)	(149,280)
Inventories	0	0
Assets held for sale	0	0
Prepaid expenses and other current assets	0	0
Total current assets	(610,544)	(149,726)
Intercompany investment	(1,435,054)	(1,384,772)
Investment in unconsolidated affiliates	0	0
Intercompany notes receivable	(1,241,045)	(1,286,354)
Total property and equipment, at cost	0	0
Less - Accumulated depreciation and amortization	0	0
Property, Plant and Equipment, Net	0	0
Goodwill	0	0
Other assets	0	(167,929)
Total assets	(3,286,643)	(2,988,781)
Accounts payable	(544,026)	(143,505)
Accrued Liabilities	(16,355)	(5,451)
Current deferred taxes	0	0
Short-term borrowings and current maturities of long-term debt	0	0
Deferred sale leaseback advance	0	0
Total current liabilities	(560,381)	(148,956)
Long-term debt, less current maturities	0	0
Intercompany notes payable	(1,283,610)	(1,455,275)
Accrued pension liabilities	0	0
Other liabilities and deferred credits	(6,404)	0
Deferred taxes	0	0
Temporary equity	0	0
Common stock	(27,872)	(27,872)
Additional paid-in capital	(280,196)	(280,196)
Retained earnings	(1,022,024)	(970,815)
Accumulated other comprehensive income (loss)	(106,156)	(105,667)
Treasury shares	0	0
Stockholders' equity	(1,436,248)	(1,384,550)
Noncontrolling interests	0	0
Total stockholders' investment	(1,436,248)	(1,384,550)
Total liabilities and stockholders' investment	(3,286,643)	(2,988,781)
Land and Building [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	152,030	145,973
Land and Building [Member] \| Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	2,830	977
Land and Building [Member] \| Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	49,208	49,499
Land and Building [Member] \| Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	99,992	95,497
Land and Building [Member] \| Consolidations, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	0	0
Aircraft And Equipment [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	2,472,230	2,646,150
Aircraft And Equipment [Member] \| Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	100,543	64,094
Aircraft And Equipment [Member] \| Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	1,109,234	1,357,126
Aircraft And Equipment [Member] \| Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	1,262,453	1,224,930
Aircraft And Equipment [Member] \| Consolidations, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Total property and equipment, at cost	$ 0	$ 0

Amount received for progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser. As we have the obligation and intent to lease the aircraft back from the purchaser expected within one year we recorded this current liability equal to the cash received and payments made by the purchaser. Also, includes capitalized interest.

No definition available.