BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Sep. 30, 2013

Foreign Currency Transaction [Abstract]

Schedule of foreign exchange rates

	Three Months Ended   September 30,		Six Months Ended   September 30,
	2013	2012	2013	2012
One Brazilian real into U.S. dollars
High	0.4568	0.5029	0.5123	0.5488
Average	0.4380	0.4941	0.4617	0.5033
Low	0.4093	0.4879	0.4093	0.4811
At period-end	0.4475	0.4944	0.4475	0.4944

	Three Months Ended   September 30,		Six Months Ended   September 30,
	2013	2012	2013	2012
One British pound sterling into U.S. dollars
High	1.62	1.63	1.62	1.63
Average	1.55	1.58	1.54	1.58
Low	1.48	1.54	1.48	1.53
At period-end	1.62	1.61	1.62	1.61
One euro into U.S. dollars
High	1.35	1.31	1.35	1.33
Average	1.32	1.25	1.32	1.27
Low	1.28	1.21	1.26	1.21
At period-end	1.35	1.29	1.35	1.29
One Australian dollar into U.S. dollars
High	0.95	1.06	1.07	1.06
Average	0.92	1.04	0.95	1.03
Low	0.89	1.01	0.89	0.97
At period-end	0.94	1.04	0.94	1.04
One Nigerian naira into U.S. dollars
High	0.0064	0.0065	0.0065	0.0065
Average	0.0063	0.0063	0.0063	0.0063
Low	0.0061	0.0062	0.0061	0.0061
At period-end	0.0063	0.0064	0.0063	0.0064

Schedule of foreign exchange impact

	Three Months Ended   September 30, 2013			Six Months Ended   September 30, 2013
Revenue	$	(6,874	)	$	(9,862	)
Operating expense	4,858			6,531
Earnings from unconsolidated affiliates, net of losses	(1,868		)	1,330
Non-operating expense	615			273
Income before provision for income taxes	(3,269		)	(1,728		)
Provision for income taxes	719			380
Net income	(2,550		)	(1,348		)
Cumulative translation adjustment	15,766			11,207
Total stockholders’ investment	$	13,216		$	9,859

Schedule of capital expenditures

	Three Months Ended   September 30,				Six Months Ended   September 30,
	2013		2012		2013		2012
Number of aircraft delivered:
Medium	3		—		5		—
Large	2		—		5		3
Total aircraft	5		—		10		3
Capital expenditures (in thousands):
Aircraft and related equipment	$	145,653	$	14,887	$	312,880	$	94,856
Other	14,374		11,963		26,679		18,549
Total capital expenditures	$	160,027	$	26,850	$	339,559	$	113,405

Schedule of aircraft sales and impairments

	Three Months Ended   September 30, 2013						Three Months Ended   September 30, 2012
	Number of aircraft	Proceeds		Gains (losses)			Number of aircraft	Proceeds		Gains (losses)
	(In thousands, except for number of aircraft)
Aircraft sold or disposed of (1)	11	$	153,710	$	(2,114	)	6	$	76,149	$	738
Impairment of aircraft held for sale	1	$	—	$	(950	)	2	$	—	$	(2,000	)
	Six Months Ended   September 30, 2013						Six Months Ended   September 30, 2012
	Number of aircraft	Proceeds		Gains (losses)			Number of aircraft	Proceeds		Gains (losses)
	(In thousands, except for number of aircraft)
Aircraft sold or disposed of (1)	15	$	155,603	$	(2,605	)	10	$	96,376	$	(2,688	)
Impairment of aircraft held for sale	3	$	—	$	(2,180	)	9	$	—	$	(3,889	)