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Goodwill (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill

The following table presents changes in goodwill in the accompanying Consolidated Balance Sheets for the years ended December 31, 2015 and 2016 (in thousands):

	December 31, 2015				December 31, 2016
Goodwill at the beginning of year	$	257,442			$	264,416
Increase in goodwill related to acquisitions	6,974				11,832
Decrease in goodwill related to divestitures	—				(761		)
Goodwill at the end of the year	$	264,416			$	275,487

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- References

No definition available.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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