Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Summary of stock-based compensation expense by line item

The following table summarizes the Company’s stock-based compensation expense by line item for the three months ended period presented in the condensed consolidated statements of operations (in millions):

	Three months ended March 31,
	2022		2021
Research and development	$	7.0	$	7.1
Selling, general and administrative	13.7		38.0
Total	$	20.7	$	45.1