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Segment Information (Revenues By Client Services) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 355,356 | $ 319,295 | $ 710,602 | $ 631,460
Housekeeping Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 157,086 | 148,606 | 313,673 | 289,546
Laundry and Linen Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 69,339 | 62,255 | 138,827 | 125,525
Dietary Services |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 128,391 | 107,938 | 257,056 | 215,362
Maintenance Services and Other |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 540 | $ 496 | $ 1,046 | $ 1,027

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- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + 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 + Details
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