Three Months Ended

Nine Months Ended

September 30,

(000's omitted, except per share data)

2020

2019

2020

2019

Net income

$

42,809

$

39,218

$

118,191

$

126,179

Income attributable to unvested stock-based compensation awards

(147)

(102)

(432)

(331)

Income available to common shareholders

$

42,662

$

39,116

$

117,759

$

125,848

Weighted-average common shares outstanding – basic

53,650

51,750

52,727

51,644

Basic earnings per share

$

0.80

$

0.76

$

2.23

$

2.44

Net income

$

42,809

$

39,218

$

118,191

$

126,179

Income attributable to unvested stock-based compensation awards

(147)

(102)

(432)

(331)

Income available to common shareholders

$

42,662

$

39,116

$

117,759

$

125,848

Weighted-average common shares outstanding – basic

53,650

51,750

52,727

51,644

Assumed exercise of stock options

324

496

356

522

Weighted-average common shares outstanding – diluted

53,974

52,246

53,083

52,166

Diluted earnings per share

$

0.79

$

0.75

$

2.22

$

2.41