Variable Interest Entities (Details) (USD $)	Jan. 31, 2013 entities
Employee Housing Entities [Member]
Number of Variable Interest Entities	4
Carrying amount of consolidated VIE assets	$ 30,400,000
Carrying amount of consolidated VIE liabilities	63,000,000
Amount outstanding in letters of credit	53,400,000
Avon Partners II LLC [Member]
Carrying amount of consolidated VIE assets	4,800,000
Carrying amount of consolidated VIE liabilities	$ 0

Number of Variable Interest Entities

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=7880789&loc=d3e5710-111685

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

+ Details

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