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Net Income Per Common Share Computations (Tables)
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following is a reconciliation of the numerator and denominator of the net income per common share computations:
(in thousands, except per share data)
Year Ended December 31,
 
2015
 
2014
 
2013
Numerator for basic income from continuing operations per
common share:
 
 
 
 
 
Income from continuing operations
$
65,197

 
$
46,357

 
$
55,033

Income from continuing operations allocated to participating securities
(595
)
 
(267
)
 
(873
)
Numerator for basic income from continuing operations per
common share
$
64,602

 
$
46,090

 
$
54,160

Numerator for basic income per common share:
 
 
 
 
 
Net income
$
65,197

 
$
46,357

 
$
54,900

Net income allocated to participating securities
(595
)
 
(267
)
 
(870
)
Numerator for basic net income per common share
$
64,602

 
$
46,090

 
$
54,030

Numerator for diluted income from continuing operations per common share:
$
65,197

 
$
46,357

 
$
55,033

Numerator for diluted income per common share
$
65,197

 
$
46,357

 
$
54,900

 
 
 
 
 
 
Denominator for net income per common share:
 
 
 
 
 
Basic
17,225

 
17,271

 
17,294

Plus dilutive effect of stock options and restricted stock
121

 
153

 
248

Plus dilutive effect of participating securities
230

 
165

 
396

Diluted
17,576

 
17,589

 
17,938

Income (loss) per common share:
 
 
 
 
 
Basic
 
 
 
 
 
Income from continuing operations
$
3.75

 
$
2.67

 
$
3.13

Discontinued operations
—

 
—

 
(0.01
)
Net income
$
3.75

 
$
2.67

 
$
3.12

Diluted
 
 
 
 
 
Income from continuing operations
$
3.71

 
$
2.64

 
$
3.07

Discontinued operations
—

 
—

 
(0.01
)
Net income
$
3.71

 
$
2.64

 
$
3.06