COMMITMENTS AND CONTINGENCIES (Tables)

6 Months Ended

Sep. 30, 2012

Commitments and Contingencies [Abstract]

Aircraft Purchase Contracts Table

			Six Months Ending		Fiscal Year Ending March 31,
			March 31, 2013 (4)		2014		2015		2016		2017 and thereafter		Total
Commitments as of November 7, 2012:
	Number of aircraft:
		Large (1)(2)		7		13		7		2		1		30
				7		13		7		2		1		30
		Related expenditures (in thousands)(2)(3)	$	269,593	$	267,427	$	106,456	$	30,582	$	13,771	$	687,829
Options as of November 7, 2012:
	Number of aircraft:
		Medium		0		0		6		6		0		12
		Large (2)		0		0		9		11		17		37
				0		0		15		17		17		49
		Related expenditures (in thousands)(2)(3)	$	7,037	$	84,265	$	372,833	$	338,874	$	363,157	$	1,166,166

Rollforward schedule of aircraft purchase orders and options

		October 1 to				Three Months Ended
		November 7, 2012				September 30, 2012				June 30, 2012
		Orders		Options		Orders		Options		Orders		Options
Beginning of period			20		33		17		36		15		40
	Aircraft delivered		0		0		0		0		(2)		0
	Aircraft ordered		10		0		0		0		0		0
	New options		0		16		0		0		0		0
	Exercised options		0		0		3		(3)		4		(4)
End of period			30		49		20		33		17		36

Aircraft Lease Table

End of Lease Term	Number of Aircraft		Monthly Lease Payments (in thousands)
Fiscal year 2013 to fiscal year 2015		6	$	1,010
Fiscal year 2016 to fiscal year 2018		10		1,880
Fiscal year 2023		9		350
		25	$	3,240