Segment Information - Schedule Of Information Of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenues									$ 1,436,849	$ 1,293,183	$ 1,149,890
Income before income taxes	$ 11,712	$ 26,741	$ 26,257	$ 25,054	$ 21,619	$ (35,083)	$ 22,043	$ 23,129	89,764	31,708	66,489
Depreciation and amortization									7,660	7,269	6,204
Total assets	480,949				469,579				480,949	469,579	425,342
Capital expenditures									4,998	5,795	3,762
Operating Segments | Housekeeping Services
Segment Reporting Information [Line Items]
Revenues									909,709	846,610	759,093
Income before income taxes									84,471	70,390	68,872
Depreciation and amortization									6,488	6,114	5,105
Total assets	228,116				223,440				228,116	223,440	213,397
Capital expenditures									3,586	4,375	2,726
Operating Segments | Dietary Services
Segment Reporting Information [Line Items]
Revenues									527,140	446,573	390,797
Income before income taxes									31,612	26,343	21,244
Depreciation and amortization									685	662	693
Total assets	104,797				95,861				104,797	95,861	92,424
Capital expenditures									336	391	460
Corporate and Eliminations
Segment Reporting Information [Line Items]
Revenues									0	0	0
Income before income taxes									(26,319)	(65,025)	(23,627)
Depreciation and amortization									487	493	406
Total assets	$ 148,036				$ 150,278				148,036	150,278	119,521
Capital expenditures									$ 1,076	$ 1,029	$ 576