Three Months Ended

Six Months Ended

June 30,

(in thousands, except for per share data)

2018

2017

2018

2017

Income attributable to common stock

$

17,490

$

7,659

$

21,724

$

19,499

Earnings allocated to participating securities

37

24

54

64

Net income

$

17,527

$

7,683

$

21,778

$

19,563

Weighted average common shares outstanding, including participating securities

32,134

32,008

32,106

31,991

Weighted average participating securities

(20

)

(102

)

(38

)

(105

)

Weighted average common shares outstanding

32,114

31,906

32,068

31,886

Incremental shares from assumed conversions of options, performance units and restricted shares

207

350

208

347

Weighted average common and equivalent shares outstanding

32,321

32,256

32,276

32,233

Earnings per common share:

Basic

$

0.54

$

0.24

$

0.68

$

0.61

Diluted

0.54

0.24

0.67

0.60