Total Assets by Reportable Segment (Parenthetical) (Detail) (Commercial aircraft, Consumables management and Business jet, USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Commercial aircraft, Consumables management and Business jet
Segment Reporting, Asset Reconciling Item [Line Items]
Corporate assets (including cash and cash equivalents)	$ 479.0	$ 304.6

Corporate Asset Including Cash and Cash Equivalent

No definition available.

Name:	beav_CorporateAssetIncludingCashAndCashEquivalent
Namespace Prefix:	beav_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant