Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Revenues	$ 435,947	$ 455,606	$ 1,337,126	$ 1,393,818
Income before income taxes	37,132	23,716	94,326	59,225
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(7,282)	(6,810)	(32,284)	(47,750)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	223,423	225,347	675,366	687,392
Housekeeping | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	24,784	21,698	73,983	73,009
Dietary
Segment Reporting Information [Line Items]
Revenues	212,524	230,259	661,760	706,426
Dietary | Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 19,630	$ 8,828	$ 52,627	$ 33,966