Acquisitions (Tables)

12 Months Ended

Dec. 31, 2014

2013 Acquisitions [Member]

Business Acquisition [Line Items]

Purchase Price Allocation To Assets Acquired And Liabilities Assumed

(in thousands)	2014
Fixed assets	$	19,279
Other intangible assets, net		127,315
Goodwill		259,422
Other assets, net of cash acquired		38,583
Liabilities		(75,364)
Net assets acquired	$	369,235

2012 Acquisitions [Member]

Business Acquisition [Line Items]

Purchase Price Allocation To Assets Acquired And Liabilities Assumed

(in thousands)	2013
Fixed assets	$	9,830
Other intangible assets, net		51,930
Goodwill		128,328
Other assets, net of cash acquired		21,843
Liabilities		(32,340)
Net assets acquired	$	179,591

2011 Acquisitions [Member]

Business Acquisition [Line Items]

Purchase Price Allocation To Assets Acquired And Liabilities Assumed

(in thousands)	2012
Fixed assets	$	9,599
Intangible assets		200,407
Other liabilities, net of cash acquired and assets assumed		(18,719)
Net assets acquired	$	191,287