Discounted Operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Summary of loss reserves for discontinued operations
Beginning balance	$ 0	$ 0	$ 643
Usage	0	0	(643)
Ending balance	$ 0	$ 0	$ 0

Disposal group, including discontinued operation loss reserves.

No definition available.

Name:	ssy_DisposalGroupIncludingDiscontinuedOperationsLossReserves
Namespace Prefix:	ssy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant