We granted the following awards under our stock compensation plans during the periods presented (in millions, except per share data):


	Three Months Ended March 31,
		2024		2023
			Shares Granted	Weighted-average grant date fair value per share		Shares Granted	Weighted-average grant date fair value per share

Restricted stock units			1.0	$	13.30	0.6	$	23.46

Performance based restricted share unit awards(1)			1.0	$	19.01	0.6	$	36.58
Total			2.0			1.2

(1) Weighted-average grant date fair value per share determined using Monte-Carlo valuation method.

Share-based compensation expense by award-type, net of estimated forfeitures, recognized in the condensed consolidated statement of operations for the periods presented was (in millions):


	Three Months Ended March 31,
		2024		2023
Stock options		$	—	$	0.1
Restricted stock units		4.8		4.6
Restricted stock awards		—		0.2
Performance based restricted share unit awards		8.3		7.5
Cash-settled restricted stock		1.1		—
Share-based compensation expense, before tax		14.2		12.4
Income tax benefit		(3.4)		(3.0)
Share-based compensation expense, after tax		$	10.8	$	9.4

Share-based compensation, net of estimated forfeitures, recognized in the condensed consolidated statement of operations for the periods presented was (in millions):


	Three Months Ended March 31,
		2024		2023
Cost of products		$	0.5	$	0.4
Selling, general and administrative expense		12.4		10.8
Research and development expense		0.5		0.5
Other venue expense		0.8		0.7
Share-based compensation expense, before tax		14.2		12.4
Income tax benefit		(3.4)		(3.0)
Share-based compensation expense, after tax		$	10.8	$	9.4