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v2.4.1.9

Segment Information (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2014 segment
Segment Reporting [Abstract] |
Number of reportable segments | 2 us-gaap_NumberOfReportableSegments
Percentage of revenue earned in one geographic segment | 99.00%hcsg_Percentageofrevenueearnedinonegeographicsegment
Percentage of income earned in one geographic segment | 99.00%hcsg_Percentageofincomeearnedinonegeographicsegment

X
- Definition Percentage of income earned in one geographic segment + References No definition available. + Details
Name: | hcsg_Percentageofincomeearnedinonegeographicsegment
Namespace Prefix: | hcsg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue earned in one geographic segment + References No definition available. + Details
Name: | hcsg_Percentageofrevenueearnedinonegeographicsegment
Namespace Prefix: | hcsg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration