Revenue Recognition and Accounts Receivables - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2013	Sep. 30, 2012
Receivables [Abstract]
Net revenues for settlements and filings of prior year Medicare and Medicaid cost reports	$ 204	$ 149

Net revenue related to settlements and filings of prior year reports.

No definition available.

Name:	ssy_NetRevenueRelatedToSettlementsAndFilingsOfPriorYearReports
Namespace Prefix:	ssy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration