Subsequent Events - Additional Information (Detail) (USD $)	9 Months Ended	0 Months Ended
Feb. 28, 2015	Mar. 20, 2015
Subsequent Event [Line Items]
Interest rate description	Loan advances bear interest at 3.75% in excess of The Wall Street Journal's published one year LIBOR rate
Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 10,000,000
Credit facility, interest rate		3.75%
Secured revolving credit facility term		3 years
Secured revolving credit facility renewal term		1 year
Facility fee amount		150,000
Annual facility fees		50,000
Unused line fee payable in arrears per annum		0.25%
Percentage of monthly bank assessment fees per annum		0.25%
Overadvance fees per day		1,000
Percentage of monthly letter of credit fees payable in arrears		0.25%
Covenants limit on capital expenditures per year		$ 600,000
Unpaid balances interest rate		3.00%

Capital expenditure limit.

No definition available.

Name:	sky_CapitalExpenditureLimit
Namespace Prefix:	sky_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Interest on unpaid balance.

+ References

No definition available.

+ Details

Name:	sky_InterestOnUnpaidBalance
Namespace Prefix:	sky_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility annual commitment fee amount.

+ References

No definition available.

+ Details

Name:	sky_LineOfCreditFacilityAnnualCommitmentFeeAmount
Namespace Prefix:	sky_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line of credit facility annual renewable term.

+ References

No definition available.

+ Details

Name:	sky_LineOfCreditFacilityAnnualRenewableTerm
Namespace Prefix:	sky_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility bank assessment fee.

+ References

No definition available.

+ Details

Name:	sky_LineOfCreditFacilityBankAssessmentFee
Namespace Prefix:	sky_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility letter of credit fee.

+ References

No definition available.

+ Details

Name:	sky_LineOfCreditFacilityLetterOfCreditFee
Namespace Prefix:	sky_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility overadvance fee amount.

+ References

No definition available.

+ Details

Name:	sky_LineOfCreditFacilityOveradvanceFeeAmount
Namespace Prefix:	sky_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

Reference 1: 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

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

+ Details

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

- Definition

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

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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

- 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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: