XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Dividends - Cash Dividends per Common Share (Details) - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Equity [Abstract] |  |
Cash dividends per common share (in dollars per share) | $ 0.18 | $ 0.18

X
- Definition Common Stock, Weighted Average, Dividends, Per Share, Cash Paid + References No definition available. + Details
Name: | hcsg_CommonStockWeightedAverageDividendsPerShareCashPaid
Namespace Prefix: | hcsg_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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