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Net Income Per Share
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Net Income Per Share
Net Income per Share

Net income per share was determined by dividing adjusted net income to shareholders by the applicable weighted average shares outstanding. Diluted net income per share is computed by dividing adjusted net income to shareholders by the weighted average number of common shares and dilutive potential common shares outstanding during the period.
 
Quarter Ended June 30,
 
Six Months Ended June 30,
(in thousands, except per share amounts)
2014
 
2013
 
2014
 
2013
Net income to shareholders
$
40,068

 
$
27,756

 
$
127,784

 
$
116,658

Adjustment of redeemable noncontrolling interests
(2,701
)
 
215

 
(2,584
)
 
3,101

Adjusted net income to shareholders
$
37,367

 
$
27,971

 
$
125,200

 
$
119,759

 
 
 
 
 
 
 
 
Basic common shares outstanding
13,984

 
12,464

 
13,989

 
11,058

Dilutive potential common shares from conversion of options
10

 
16

 
11

 
9

Dilutive potential common shares from conversion of restricted stock
61

 
34

 
56

 
31

Diluted shares outstanding
14,055

 
12,514

 
14,056

 
11,098

Basic net income per share
$
2.67

 
$
2.24

 
$
8.95

 
$
10.83

Diluted net income per share
$
2.66

 
$
2.24

 
$
8.91

 
$
10.79