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Commitments and Contingencies - Amounts of Obligations from Repurchased Units and Incurred Net Losses for Periods (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 31, 2014 Unit	May 31, 2013 Unit
Commitments And Contingencies Disclosure [Abstract]
Number of units repurchased	0	3
Obligations from units repurchased	$ 0	$ 31
Net losses on repurchased units	$ 0

X

- Definition

Loss contingency obligation during period.

+ References

No definition available.

+ Details

Name:	sky_LossContingencyObligationDuringPeriod
Namespace Prefix:	sky_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Loss contingency obligation number of units repurchased during period.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration