CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	May 31, 2012	May 31, 2011
Current assets:
Cash	$ 67,720	$ 57,433
Accounts receivable	302,056	287,435
Inventories	461,166	363,399
Rotable spares and equipment on or available for short-term lease	138,586	143,875
Deposits, prepaids and other	71,106	38,260
Deferred tax assets	22,638	23,583
Total current assets	1,063,272	913,985
Property, plant and equipment, at cost:
Land	9,036	4,842
Buildings and improvements	98,685	95,201
Equipment, furniture and fixtures	573,648	459,432
Property, plant and equipment, gross	681,369	559,475
Accumulated depreciation	(298,436)	(235,098)
Property, plant and equipment, net	382,933	324,377
Other assets:
Goodwill and other intangible assets, net	417,562	181,097
Equipment on long-term lease	73,082	93,387
Investment in joint ventures	49,892	48,743
Other	208,912	142,138
Total other assets	749,448	465,365
Total assets	2,195,653	1,703,727
Current liabilities:
Short-term debt	628	100,000
Current maturities of long-term debt	122,152	11,323
Current maturities of non-recourse long-term debt		823
Current maturities of long-term capital lease obligations	85	1,929
Accounts and trade notes payable	201,405	185,096
Accrued liabilities	148,956	116,839
Total current liabilities	473,226	416,010
Long-term debt, less current maturities	669,404	313,981
Non-recourse debt		11,032
Capital lease obligations	85	4,789
Deferred tax liabilities	115,908	98,322
Other liabilities and deferred income	71,008	24,304
Total noncurrent liabilities	856,405	452,428
Equity:
Preferred stock, $1.00 par value, authorized 250 shares; none issued
Common stock, $1.00 par value, authorized 100,000 shares; issued 44,849 and 44,986 shares, respectively	44,849	44,986
Capital surplus	423,622	423,805
Retained earnings	541,772	486,130
Treasury stock, 4,576 and 5,205 shares at cost, respectively	(90,404)	(100,431)
Accumulated other comprehensive loss	(55,190)	(18,645)
Total AAR stockholders' equity	864,649	835,845
Noncontrolling interest	1,373	(556)
Total equity	866,022	835,289
Total liabilities and equity	$ 2,195,653	$ 1,703,727