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Segment Information (Revenues By Client Services) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 319,295 | $ 273,604 | $ 631,460 | $ 547,508
Housekeeping Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 148,606 | 123,351 | 289,546 | 248,944
Laundry and Linen Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 62,255 | 59,404 | 125,525 | 120,302
Dietary Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 107,938 | 89,850 | 215,362 | 176,124
Maintenance Services and Other [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 496 | $ 999 | $ 1,027 | $ 2,138

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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