Segment Information - Schedule of Information of Reportable Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) segment	Jun. 30, 2020 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Revenues	$ 398,171	$ 452,029	$ 805,922	$ 901,179
Income before income taxes	15,063	30,412	48,015	57,194
Corporate and eliminations
Segment Reporting Information [Line Items]
Income before income taxes	(21,326)	(13,514)	(36,589)	(25,002)
Housekeeping
Segment Reporting Information [Line Items]
Revenues	202,841	227,650	417,899	451,943
Housekeeping | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	22,621	25,258	50,788	49,199
Dietary
Segment Reporting Information [Line Items]
Revenues	195,330	224,379	388,023	449,236
Dietary | Operating segments
Segment Reporting Information [Line Items]
Income before income taxes	$ 13,768	$ 18,668	$ 33,816	$ 32,997