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Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) segment	Sep. 30, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Revenues	$ 392,734	$ 360,165	$ 1,164,097	$ 1,070,767
Income before income taxes	30,571	26,741	89,858	78,052
Housekeeping Services
Segment Reporting Information [Line Items]
Revenues	239,584	227,760	716,154	681,306
Dietary Services
Segment Reporting Information [Line Items]
Revenues	153,150	132,405	447,943	389,461
Operating Segments | Housekeeping Services
Segment Reporting Information [Line Items]
Income before income taxes	23,645	21,770	68,966	64,139
Operating Segments | Dietary Services
Segment Reporting Information [Line Items]
Income before income taxes	7,884	8,239	26,103	25,008
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	$ (958)	$ (3,268)	$ (5,211)	$ (11,095)

X

- 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

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- 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.

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+ 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

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- Definition

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