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Goodwill (Changes in Goodwill) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014
Goodwill [Roll Forward]
Goodwill at beginning of period	$ 221,087,000
Increase in goodwill related to acquisitions	33,826,000
Goodwill - Changes in Previous Estimates	3,788,000
Net impairment and write-off related to divestitures	(1,197,000)
Goodwill at end of period	257,504,000
Goodwill, impairment loss	1,200,000
November 2013 Acquisition [Member]
Goodwill [Roll Forward]
Goodwill - Changes in Previous Estimates	100,000
SCI acquisition [Member]
Goodwill [Roll Forward]
Goodwill - Changes in Previous Estimates	$ 3,900,000

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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