Segment Information (Schedule Of Information Of Reportable Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues											$ 1,293,183		$ 1,149,890		$ 1,077,435
Income before income taxes	21,619		(35,083)	22,043	23,129	6,481		21,193	19,858	18,957	31,708		66,489		70,264
Depreciation and amortization											7,269		6,204		5,116
Total assets	469,579					425,342					469,579		425,342		331,183
Capital expenditures											5,795		3,762		3,484
Housekeeping Services [Member]
Segment Reporting Information [Line Items]
Revenues											846,610		759,093		737,407
Income before income taxes											70,390		68,872		69,429
Depreciation and amortization											6,114		5,105		4,069
Total assets	223,440					213,397					223,440		213,397		144,412
Capital expenditures											4,375		2,726		2,765
Dietary Services [Member]
Segment Reporting Information [Line Items]
Revenues											446,573		390,797		339,855
Income before income taxes											26,343		21,244		18,474
Depreciation and amortization											662		693		676
Total assets	95,861					92,424					95,861		92,424		62,263
Capital expenditures											391		460		453
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues											0		0		173	[1]
Income before income taxes											(65,025)	[1]	(23,627)	[1]	(17,639)	[1]
Depreciation and amortization											493		406		371
Total assets	150,278	[2]				119,521	[2]				150,278	[2]	119,521	[2]	124,508	[2]
Capital expenditures											$ 1,029		$ 576		$ 266

[1] Represents primarily corporate office cost and related overhead, recording of transactions at the reportable segment level which use methods other than generally accepted accounting principles, as well as consolidated subsidiaries’ operating expenses that are not allocated to the reportable segments, net of investment and interest income. Additionally, during 2014, the Company recorded a one-time, non-cash change in estimate related to our self-insurance liability which was not allocated to the reportable segments.

[2] Represents primarily cash and cash equivalents, marketable securities, deferred income taxes and other current and noncurrent assets.