Acquisitions And New Ventures - Pro Forma Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Acquisitions and New Ventures [Abstract]
Business Acquisition, Non-recurring Acquisition Costs		$ 23,100
Business Acquisition, Pro Forma Information [Abstract]
Net revenue	$ 1,126,592	1,085,518
Earnings from continuing operations	$ 64,145	$ 11,182

The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration