Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment			2
Segment Reporting Information [Line Items]
Revenues	$ 386,556	$ 355,356	$ 771,363	$ 710,602
Income before income taxes	29,683	26,257	59,287	51,311
Operating Segments
Segment Reporting Information [Line Items]
Revenues	386,556	355,356	771,363	710,602
Operating Segments \| Housekeeping Services
Segment Reporting Information [Line Items]
Revenues	238,291	226,965	476,570	453,546
Income before income taxes	22,821	21,752	45,321	42,369
Operating Segments \| Dietary Services
Segment Reporting Information [Line Items]
Revenues	148,265	128,391	294,793	257,056
Income before income taxes	9,071	7,864	18,219	16,769
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	$ (2,209)	$ (3,359)	$ (4,253)	$ (7,827)

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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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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