For the year ended December 31,

(Amounts in thousands, except per share amounts)

2019

2018

2017

Net income attributable to Six Flags Entertainment Corporation common stockholders

$

179,065

$

275,996

$

273,816

Weighted-average common shares outstanding—basic

84,348

84,100

86,802

Effect of dilutive stock options and restricted stock units

620

1,345

1,692

Weighted-average common shares outstanding—diluted

84,968

85,445

88,494

Earnings per share—basic

$

2.12

$

3.28

$

3.15

Earnings per share—diluted

$

2.11

$

3.23

$

3.09