Annual Capital Expenditures

No definition available.

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- Definition

Consolidated Interest Coverage Ratio

+ References

No definition available.

+ Details

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- Definition

Consolidated Total Senior Debt to Working Capital Ratio

+ References

No definition available.

+ Details

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- Definition

Increase in basis points of the stated interest rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Foreign Corrupt Practices Act Estimate

+ References

No definition available.

+ Details

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- Definition

Future Annual Capital Expenditures

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Capacity Available for Capital Expenditures

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Increase

+ References

No definition available.

+ Details

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

- Definition

Maximum Consolidated Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Potential Equity Funding

+ References

No definition available.

+ Details

Name:	aoi_PotentialEquityFunding
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Potential Increase in Debt Instrument, Face Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Potential Increase in Line of Credit Facility, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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Namespace Prefix:	aoi_
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Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

+ Details

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Long-Term Debt Senior Secured Credit Facility (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended															3 Months Ended								12 Months Ended
	Mar. 31, 2011	Sep. 30, 2010	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010	Nov. 03, 2011	Jun. 06, 2011	Apr. 07, 2010	Aug. 24, 2009	Jul. 02, 2009	Nov. 03, 2011 Third Party Lender [Member]	Jun. 06, 2011 Third Party Lender [Member]	Jun. 09, 2010 Majority-Owned Subsidiary, Unconsolidated [Member]	Nov. 03, 2011 Subordinated Debt [Member]	Jun. 06, 2011 Subordinated Debt [Member]	Nov. 03, 2011 Subordinated Debt [Member] Third Party Lender [Member]	Jun. 06, 2011 Subordinated Debt [Member] Third Party Lender [Member]	Mar. 31, 2012 Minimum [Member]	Dec. 31, 2011 Minimum [Member]	Sep. 30, 2011 Minimum [Member]	Jun. 30, 2011 Minimum [Member]	Mar. 31, 2012 Maximum [Member]	Dec. 31, 2011 Maximum [Member]	Sep. 30, 2011 Maximum [Member]	Jun. 30, 2011 Maximum [Member]	Mar. 31, 2012 Maximum [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity									$ 290,000		$ 270,000			$ 25,000
Line of credit facility, interest rate at period end											2.50%
Line of credit facility, maximum borrowing capacity, increase										100,000
Foreign corrupt practices act estimate						19,450
Maximum consolidated leverage ratio		525.00%	500.00%
Equity method investment, ownership percentage				30.00%
Share-based compensation	2,200			2,618	4,609	448
Line of credit facility, capacity available for capital expenditures								15,000
Potential equity funding							1,000	1,000
Potential increase in line of credit facility, maximum borrowing capacity												200,000	200,000
Potential increase in debt instrument															30,000	30,000	100,000	100,000
Debt instrument, interest rate increase				100.00%
Line of credit facility, commitment fee percentage				25.00%
Consolidated interest coverage ratio																			190.00%	180.00%	165.00%	165.00%	550.00%	610.00%	750.00%	670.00%
Consolidated total senior debt to working capital ratio																											80.00%
Annual capital expenditures																											55,000
Future annual capital expenditures																											$ 40,000