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Basis of Reporting - Additional Information (Detail) | Sep. 30, 2012
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Basis of Presentation [Line Items] |
Number of wholly-owned subsidiaries operated by Company | 2
Linen supplies amortization period (in months) | 24

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- Details
Name: | hcsg_BasisOfPresentationLineItems
Namespace Prefix: | hcsg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Linen supplies amortization period. + References No definition available. + Details
Name: | hcsg_LinenSuppliesAmortizedPeriod
Namespace Prefix: | hcsg_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of wholly-owned subsidiaries operated by Company. + References No definition available. + Details
Name: | hcsg_NumberOfWhollyOwnedSubsidiariesOperatedByCompany
Namespace Prefix: | hcsg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant