Business Acquisitions (Tables)

12 Months Ended

Dec. 31, 2014

Business Combinations [Abstract]

Summary of Company's Purchase Allocation Price

          The Company’s allocation of purchase price is as follows:

Current assets	$	11.8
Property and equipment		3.8
Goodwill		389.6
Other intangible assets		124.8
Current liabilities		(14.4	)
Deferred income tax liabilities—long-term		(26.3	)
Other long-term liabilities		(0.7	)
	$	488.6

Schedule of Pro Forma Information Combines Consolidated Results of Company and Business Acquisitions

The following unaudited pro forma information combines the consolidated results of operations of the Company on a GAAP basis and the acquisitions completed during 2014 and 2013, including adjustments for pro forma amortization and interest expense, as if the transactions had occurred on January 1, 2013 and January 1, 2012, respectively (in thousands, except per share data):

	Years Ended December 31,
	2014		2013
Net revenue	$	2,590,384	$	2,494,968
Net income		326,216		301,076
Net income per common share (1):
Basic	$	3.31	$	3.04
Diluted	$	3.27	$	2.98
Weighted average common shares (1):
Basic		98,588		99,112
Diluted		99,887		100,969

(1) The comparison of net income per common share is affected by the changes in the number of weighted average shares outstanding in each period.