XML 44 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8

Investments - Additional Information (Detail) (U. S. Treasury Bills [Member], USD $)	3 Months Ended	12 Months Ended
	Feb. 28, 2014	May 31, 2013
U. S. Treasury Bills [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment maturity period		3 months
U. S. Treasury Bills, gross amortized cost	$ 5,000,000

X

- Definition

Investment securities maturity period.

+ References

No definition available.

+ Details

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

X

- Definition

The aggregate value of securities held, which were categorized as held-to-maturity, for which the interest rate reset through an auction process, that failed to be liquidated through auction, and which were sold at par value during the period.

+ References

No definition available.

+ Details

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

X

- Details

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