Long-Term Debt - Contractual Commitments for Interest on Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Debt Disclosure [Abstract]
2014	$ 576
2015	494
2016	410
2017	338
2018	329
2019 and thereafter	3,588
Total	$ 5,735

Long term debt contractual commitments.

No definition available.

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Long term debt contractual commitments for interest in next twelve months.

No definition available.

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Long term debt contractual commitments for interest in year after five year.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Long term debt contractual commitments for interest in year five.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Long term debt contractual commitments for interest in year four.

No definition available.

Name:	ssy_LongTermDebtContractualCommitmentsForInterestInYearFour
Namespace Prefix:	ssy_
Data Type:	xbrli:monetaryItemType
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Long term debt contractual commitments for interest in year three.

No definition available.

Name:	ssy_LongTermDebtContractualCommitmentsForInterestInYearThree
Namespace Prefix:	ssy_
Data Type:	xbrli:monetaryItemType
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Long term debt contractual commitments for interest in year two.

No definition available.

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

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