Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment			2
Segment Reporting Information [Line Items]
Revenues	$ 455,606	$ 505,500	$ 1,393,818	$ 1,507,649
Income before income taxes	23,716	32,982	59,225	64,903
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(6,810)	(10,073)	(47,750)	(65,314)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	225,347	240,837	687,392	729,400
Housekeeping \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	21,698	26,776	73,009	83,637
Dietary
Segment Reporting Information [Line Items]
Revenues	230,259	264,663	706,426	778,249
Dietary \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 8,828	$ 16,279	$ 33,966	$ 46,580

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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-Paragraph 4
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