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Segment Information - Revenues by Client Services (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue from External Customer [Line Items]
Revenues	$ 392,734	$ 360,165	$ 1,164,097	$ 1,070,767
Housekeeping Services
Revenue from External Customer [Line Items]
Revenues	171,802	158,019	510,080	471,692
Dietary Services
Revenue from External Customer [Line Items]
Revenues	153,150	132,405	447,943	389,461
Laundry and Linen Services
Revenue from External Customer [Line Items]
Revenues	67,363	69,060	204,529	207,887
Maintenance Services and Other
Revenue from External Customer [Line Items]
Revenues	$ 419	$ 681	$ 1,545	$ 1,727

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+ References

No definition available.

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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=63488584&loc=d3e20235-122688

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