STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY (parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2010
Tax relating to call option on convertible debentures	$ 14,978

Call Option Related to Convertible Debentures, Tax

No definition available.

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Namespace Prefix:	aoi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration