Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

(in thousands)	Goodwill
			Accumulated
	Gross		Impairment			Total
Balance, December 31, 2013	$	877,239	$	(112,934	)	$	764,305
Net additions	1,021,920		—			1,021,920
Balance, December 31, 2014	1,899,159		(112,934		)	1,786,225
Net additions	2,415		—			2,415
Balance, March 31, 2015	$	1,901,574	$	(112,934	)	$	1,788,640

Schedule of Finite-Lived Intangible Assets

(in thousands)	Other Intangible Assets
			Accumulated
	Gross		Amortization			Net
Balance, December 31, 2013	$	58,909	$	(46,531	)	$	12,378
Net additions	54,562		—			54,562
Amortization	—		(10,207		)	(10,207		)
Balance, December 31, 2014	113,471		(56,738		)	56,733
Net additions	—		—			—
Amortization	—		(2,806		)	(2,806		)
Balance, March 31, 2015	$	113,471	$	(59,544	)	$	53,927

Finite-lived Intangible Assets Amortization Expense

The table below presents the forecasted amortization expense for other intangible assets acquired in all mergers:

(in thousands)
	Expected
Year	Amortization
Remainder of 2015	$	8,419
2016	8,622
2017	6,756
2018	6,166
2019	5,618
Thereafter	18,346
	$	53,927