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Allowance for Doubtful Accounts - Additional Information (Details) | 1 Months Ended
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Jan. 31, 2013 | Jul. 31, 2011
Receivables [Abstract] |  |
Percentage of reduction of Medicare payments to nursing centers |  | 11.10%
Percentage of reduction of Medicare payments to plans and providers (up to) | 2.00% |

X
- Definition Percentage of reduction of Medicare payments to nursing centers. + References No definition available. + Details
Name: | hcsg_PercentageOfReductionOfMedicarePaymentsToNursingCenters
Namespace Prefix: | hcsg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Reduction Of Medicare Payments To Plans And Providers + References No definition available. + Details
Name: | hcsg_PercentageOfReductionOfMedicarePaymentsToPlansAndProviders
Namespace Prefix: | hcsg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration