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Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) segment | Mar. 31, 2015 USD ($)
Segment Reporting [Abstract] |  |
Number of reportable segments | segment | 2 |
Segment Reporting Information [Line Items] |  |
Revenues | $ 384,807 | $ 355,246
Income before income taxes | 29,604 | 25,054
Operating Segments | Housekeeping Services |  |
Segment Reporting Information [Line Items] |  |
Revenues | 238,279 | 226,581
Income before income taxes | 22,500 | 20,617
Operating Segments | Dietary Services |  |
Segment Reporting Information [Line Items] |  |
Revenues | 146,528 | 128,665
Income before income taxes | 9,148 | 8,905
Corporate And Eliminations |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
Income before income taxes | $ (2,044) | $ (4,468)

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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