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Segment Information (Schedule Of Information Of Reportable Segments) (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) segment	Jun. 30, 2014 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment				2
Percentage of revenue and income earned in one geographic area				99.00%
Segment Reporting Information [Line Items]
Revenues		$ 355,356	$ 319,295	$ 710,602	$ 631,460
Income (loss) before income taxes		26,257	22,043	51,311	45,172
Operating Segments | Housekeeping Services
Segment Reporting Information [Line Items]
Revenues		226,965	211,357	453,546	416,098
Income (loss) before income taxes		21,752	17,883	42,369	36,635
Operating Segments | Dietary Services
Segment Reporting Information [Line Items]
Revenues		128,391	107,938	257,056	215,362
Income (loss) before income taxes		7,864	6,518	16,769	13,298
Corporate And Eliminations
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Income (loss) before income taxes	[1]	$ (3,359)	$ (2,358)	$ (7,827)	$ (4,761)
[1] Represents primarily corporate office cost and related overhead, recording of transactions at the reportable segment level which use methods other than U.S. GAAP, as well as consolidated subsidiaries’ operating expenses that are not allocated to the reportable segments, net of investment and interest income.

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- Definition

Percentage of revenue and income earned in one geographic segment.

+ References

No definition available.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(h)(1)(i))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.1(d))



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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