Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment			2
Segment Reporting Information [Line Items]
Revenues	$ 491,355	$ 392,734	$ 1,366,721	$ 1,164,097
Income before income taxes	32,930	30,571	98,287	89,858
Housekeeping
Segment Reporting Information [Line Items]
Revenues	247,395	239,584	733,737	716,154
Dietary
Segment Reporting Information [Line Items]
Revenues	243,960	153,150	632,984	447,943
Operating Segments \| Housekeeping
Segment Reporting Information [Line Items]
Income before income taxes	26,848	23,645	71,524	68,966
Operating Segments \| Dietary
Segment Reporting Information [Line Items]
Income before income taxes	11,366	7,884	34,733	26,103
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	$ (5,284)	$ (958)	$ (7,970)	$ (5,211)

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.

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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+ 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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