Commitments, Contingencies And Guarantees (Narrative) (Details) (Capacity Purchase Arrangements [Member])	3 Months Ended
	Sep. 30, 2013
Long-term Purchase Commitment [Line Items]
Term of unrecorded unconditional purchase obligation	12 years
Embraer E-175 [Member]
Long-term Purchase Commitment [Line Items]
Aircraft to be acquired by Republic Airlines (aircraft)	47
First Class Seats (seats)	12
Main Cabin Seats (seats)	64
Minimum [Member] | Embraer E-175 [Member]
Long-term Purchase Commitment [Line Items]
Aircraft phased into operation each month (aircraft)	2
Maximum [Member] | Embraer E-175 [Member]
Long-term Purchase Commitment [Line Items]
Aircraft phased into operation each month (aircraft)	3