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Earnings Per Share
 12 Months Ended
Dec. 29, 2018
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
 
The following table sets forth the computation of basic and diluted earnings per share:
 
(in thousands, except per share amounts)
2018
 
2017
 
2016
Numerator:
 
 
 
 
 
Net income as reported
$
164,565

 
$
119,519

 
$
104,488

 
 
 
 
 
 
Denominator:
 
 
 
 
 
Weighted average shares outstanding
 
 
 
 
 
Basic
24,870

 
22,687

 
22,559

Effect of dilutive securities
365

 
244

 
168

Diluted
25,235


22,931


22,727

 
 
 
 
 
 
Earnings Per Share:
 
 
 
 
 
Basic earnings per share
$
6.62

 
$
5.27

 
$
4.63

Diluted earnings per share
$
6.52

 
$
5.21

 
$
4.60


 
Potential shares of common stock attributable to stock options excluded from the earnings per share calculation because their effect would be anti-dilutive were 42,305, 37,443, and 53,448 shares in 2018, 2017, and 2016, respectively.
 
On January 17, 2018, the Company acquired IXYS through a combination of cash, Littelfuse common stock, and the value of converted, or cash settled IXYS equity awards. The Company issued approximately 2.1 million shares of Littelfuse common stock and converted IXYS equity awards into approximately 0.5 million Littelfuse equity awards.