Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment			2
Segment Reporting Information [Line Items]
Revenues	$ 462,101	$ 501,587	$ 938,212	$ 1,002,149
Income before income taxes	23,617	33,316	35,509	31,921
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(10,900)	(10,072)	(40,940)	(54,538)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	228,911	243,402	462,045	488,563
Housekeeping \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	24,804	27,817	51,311	56,158
Dietary
Segment Reporting Information [Line Items]
Revenues	233,190	258,185	476,167	513,586
Dietary \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 9,713	$ 15,571	$ 25,138	$ 30,301

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
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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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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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