Business Acquisitions: (Tables)

6 Months Ended

Jun. 30, 2014

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 for per share data):


	Six Months Ended June 30,
	2014		2013
Net patient service revenue	$	1,180,246	$	1,141,219
Net income	$	144,404	$	136,067
Net income per common share ⁽¹⁾:
Basic	$	1.46	$	1.38
Diluted	$	1.44	$	1.35
Weighted average shares ⁽¹⁾:
Basic		98,689		98,868
Diluted		100,226		100,942

⁽¹⁾

The comparison of net income per share is affected by the change in the number of weighted average shares outstanding in each period. The basic and diluted weighted average shares outstanding for the six months ended June 30, 2014 were 98.7 million and 100.2 million, respectively, as compared to 98.9 million and 100.9 million, respectively, for the six months ended June 30, 2013.