Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Narrative) (Details)

v2.4.0.6
Commitments And Contingencies (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Total unfunded capital commitments $ 131.1
Purchase commitments payable during the period 13.4
Potential reduction amount of liability 124.3
Liquidated amount liability $ 3.3
AW139 Medium Helicopter [Member]
 
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Number of helicopters 1
Additional number of helicopters 8
AW189 Heavy Helicopters [Member]
 
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Number of helicopters 5
Additional number of helicopters 5
AW169 Light Twin Helicopters [Member]
 
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Number of helicopters 5