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Net Income Per Share
 6 Months Ended
Jun. 30, 2015
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)
2015
 
2014
 
2015
 
2014
Net income to shareholders
$
91,369

 
$
40,068

 
$
282,361

 
$
127,784

Adjustment of redeemable noncontrolling interests
3,062

 
(2,701
)
 
1,715

 
(2,584
)
Adjusted net income to shareholders
$
94,431

 
$
37,367

 
$
284,076

 
$
125,200

 
 
 
 
 
 
 
 
Basic common shares outstanding
13,975

 
13,984

 
13,973

 
13,989

Dilutive potential common shares from conversion of options
9

 
10

 
10

 
11

Dilutive potential common shares from conversion of restricted stock
68

 
61

 
74

 
56

Diluted shares outstanding
14,052

 
14,055

 
14,057

 
14,056

Basic net income per share
$
6.76

 
$
2.67

 
$
20.33

 
$
8.95

Diluted net income per share
$
6.72

 
$
2.66

 
$
20.21

 
$
8.91