CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	May 31, 2013	May 31, 2012
Current assets:
Cash	$ 75.3	$ 67.7
Accounts receivable	297.4	302.1
Inventories	453.7	461.2
Rotable spares and equipment on or available for short-term lease	129.2	138.6
Deposits, prepaids and other	60.1	71.1
Deferred tax assets	18.0	22.6
Total current assets	1,033.7	1,063.3
Property, plant and equipment, at cost:
Land	9.2	9.0
Buildings and improvements	99.5	98.7
Equipment, furniture and fixtures	607.5	573.6
Property, plant and equipment, gross	716.2	681.3
Accumulated depreciation	(354.5)	(298.4)
Property, plant and equipment, net	361.7	382.9
Other assets:
Goodwill	255.6	262.6
Intangible assets, net	157.8	155.0
Equipment on long-term lease	64.7	73.1
Capitalized program development costs	124.9	91.9
Investment in joint ventures	31.8	49.9
Other	106.7	117.0
Total other assets	741.5	749.5
Total assets	2,136.9	2,195.7
Current liabilities:
Short-term debt		0.6
Current maturities of long-term debt	86.4	122.2
Accounts and trade notes payable	149.3	201.4
Accrued liabilities	153.3	149.0
Total current liabilities	389.0	473.2
Long-term debt, less current maturities	622.2	669.4
Deferred tax liabilities	138.2	115.9
Other liabilities and deferred income	68.0	71.2
Total noncurrent liabilities	828.4	856.5
Equity:
Preferred stock, $1.00 par value, authorized 250,000 shares; none issued
Common stock, $1.00 par value, authorized 100,000,000 shares; issued 44,691,437 and 44,849,196 shares at cost, respectively	44.7	44.8
Capital surplus	431.6	423.6
Retained earnings	584.9	541.8
Treasury stock, 5,309,252 and 4,576,368 shares at cost, respectively	(100.1)	(90.4)
Accumulated other comprehensive loss	(42.5)	(55.2)
Total AAR stockholders' equity	918.6	864.6
Noncontrolling interest	0.9	1.4
Total equity	919.5	866.0
Total liabilities and equity	$ 2,136.9	$ 2,195.7