Note Receivable - Additional Information (Detail) - Hemet California [Member]	12 Months Ended
May 31, 2016	May 31, 2013 USD ($) Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of idle facilities sold		2
Note receivable from sale of idle property, plant and equipment \| $		$ 1,700,000
Note receivable interest rate		6.00%
Facilities collateral for note		2
Note receivable interest amortization period		20 years
Note receivable final payment period		6 years
Note receivable fully repaid date	2014-12

Note receivable final payment date.

No definition available.

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- Definition

Note receivable final payment period.

+ References

No definition available.

+ Details

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- Definition

Note receivable interest amortization period.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of facilities collateral for note receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	sky_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of idle facilities sold.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- 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=66902209&loc=d3e3179-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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=64930785&loc=d3e28551-108399

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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