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Basis Of Reporting (Details)	Sep. 30, 2011
Basis Of Reporting
Linen supplies amortization period, months	24

X

- Definition

Linen supplies amortization period.

+ Details

Name:	hcsg_LinenSuppliesAmortizedPeriod
Namespace Prefix:	hcsg
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration