CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
ASSETS
Cash and cash equivalents	$ 204,341	$ 215,623
Accounts receivable from non-affiliates, net of allowance for doubtful accounts	292,650	254,520
Accounts receivable from affiliates, net of allowance for doubtful accounts	4,793	8,261
Inventories	137,463	153,969
Assets held for sale	29,276	8,290
Prepaid expenses and other current assets	53,084	35,095
Total current assets	721,607	675,758
Investment in unconsolidated affiliates	262,615	272,123
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	2,792,123	2,414,647
Less - Accumulated depreciation and amortization	(523,372)	(493,575)
Total property and equipment, net	2,268,751	1,921,072
Goodwill	56,680	28,897
Other assets	88,604	52,842
Total assets	3,398,257	2,950,692
LIABILITIES AND STOCKHOLDERS' INVESTMENT
Accounts payable	89,818	69,821
Accrued wages, benefits and related taxes	71,192	56,084
Income taxes payable	13,588	11,659
Other accrued taxes	9,302	7,938
Deferred revenue	31,157	21,646
Accrued maintenance and repairs	17,249	15,391
Accrued interest	16,157	14,249
Other accrued liabilities	45,853	20,714
Current deferred taxes	12,372	0
Short-term borrowings and current maturities of long-term debt	14,207	22,323
Deferred sale leaseback advance - current	136,930	0
Total current liabilities	457,825	239,825
Total long-term debt	827,095	764,946
Accrued pension liabilities	86,823	126,647
Other liabilities and deferred credits	78,126	57,196
Deferred taxes	169,519	151,121
Commitments and contingencies
Temporary Equity	22,283	0
Stockholders' investment:
Common stock	373	367
Additional paid-in capital	762,813	731,883
Retained earnings	1,245,220	1,094,803
Accumulated other comprehensive loss	(156,506)	(199,683)
Treasury shares	(103,965)	(26,304)
Stockholders' equity	1,747,935	1,601,066
Noncontrolling interests	8,651	9,891
Total stockholders' investment	1,756,586	1,610,957
Total liabilities and stockholders' investment	3,398,257	2,950,692
Land and Building [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	145,973	108,593
Aircraft and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 2,646,150	$ 2,306,054