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Note Receivable - Additional Information (Detail) (USD $)	12 Months Ended	9 Months Ended	12 Months Ended
	May 31, 2014 Facility	Feb. 28, 2015	May 31, 2013 Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of idle facilities sold	2sky_NumberOfIdleFacilitiesSold
Hemet California [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of idle facilities sold			2sky_NumberOfIdleFacilitiesSold / us-gaap_StatementGeographicalAxis = sky_HemetCaliforniaMember
Note receivable from sale of idle property, plant and equipment			$ 1,700,000us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable / us-gaap_StatementGeographicalAxis = sky_HemetCaliforniaMember
Note receivable interest rate			6.00%us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate / us-gaap_StatementGeographicalAxis = sky_HemetCaliforniaMember
Facilities collateral for note			2sky_NumberOfFacilitiesCollateralForNoteReceivable / us-gaap_StatementGeographicalAxis = sky_HemetCaliforniaMember
Note receivable interest amortization period			20 years
Note receivable final payment period			6 years
Note receivable fully repaid date		2014-12

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- Definition

Note receivable final payment date.

+ References

No definition available.

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- Definition

Note receivable final payment period.

+ References

No definition available.

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- Definition

Note receivable interest amortization period.

+ References

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- Definition

Number of facilities collateral for note receivable.

+ References

No definition available.

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- Definition

Number of idle facilities sold.

+ References

No definition available.

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- Definition

The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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- Definition

Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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