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Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2024
Stockholders' Equity Note [Abstract]  
Schedule of the impact of stock-based compensation expense

The Company recorded stock-based compensation expense as follows in the unaudited condensed consolidated statements of income and comprehensive income (in millions):

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Stock options

 

$

0.5

 

 

$

0.4

 

 

$

1.4

 

 

$

1.2

 

Restricted stock units

 

 

4.8

 

 

 

4.2

 

 

 

13.4

 

 

 

11.7

 

Employee Stock Purchase Plan

 

 

0.4

 

 

 

0.2

 

 

 

0.8

 

 

 

0.6

 

Total stock-based compensation expense

 

$

5.7

 

 

$

4.8

 

 

$

15.6

 

 

$

13.5

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Cost of product revenue

 

$

0.5

 

 

$

0.4

 

 

$

1.3

 

 

$

1.1

 

Selling, general and administrative

 

 

4.4

 

 

 

3.9

 

 

 

12.4

 

 

 

11.0

 

Research and development

 

 

0.8

 

 

 

0.5

 

 

 

1.9

 

 

 

1.4

 

Total stock-based compensation expense

 

$

5.7

 

 

$

4.8

 

 

$

15.6

 

 

$

13.5