Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Revenues	$ 415,590	$ 435,947	$ 1,221,512	$ 1,337,126
Income before income taxes	12,121	37,132	60,136	94,326
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(12,375)	(7,282)	(48,964)	(32,284)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	203,379	223,423	621,278	675,366
Housekeeping | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	17,237	24,784	68,025	73,983
Dietary
Segment Reporting Information [Line Items]
Revenues	212,211	212,524	600,234	661,760
Dietary | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 7,259	$ 19,630	$ 41,075	$ 52,627