Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) segment	Mar. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment	2
Segment Reporting Information [Line Items]
Revenues	$ 407,751	$ 449,150
Income before income taxes	32,952	26,782
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(15,263)	(11,488)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	215,058	224,293
Housekeeping | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	28,167	23,941
Dietary
Segment Reporting Information [Line Items]
Revenues	192,693	224,857
Dietary | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 20,048	$ 14,329