Stock-based compensation and stockholders' equity (Tables)

6 Months Ended

Jun. 30, 2023

Stock-based compensation expense, net of forfeitures was recorded in the following financial statement line items:


	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Cost of product sales	$	1.2	$	1.9	$	2.6	$	3.6
Cost of CDMO	0.3		0.6		0.6		1.0
R&D	0.4		1.5		1.1		2.6
Selling, general and administrative	6.4		8.3		10.8		15.0
Total stock-based compensation expense	$	8.3	$	12.3	$	15.1	$	22.2

The following table includes changes in accumulated other comprehensive income (loss), net of tax by component:


	Defined Benefit Pension Plan		Derivative Instruments		Foreign Currency Translation Adjustments		Total

Balance at December 31, 2022	$	3.5	$	6.2	$	(6.6)	$	3.1
Other comprehensive income (loss) before reclassifications	—		(4.4)		(0.1)		(4.5)
Amounts reclassified from accumulated other comprehensive income (loss)	—		2.4		—		2.4
Net current period other comprehensive income (loss)	—		(2.0)		(0.1)		(2.1)
Balance at March 31, 2023	$	3.5	$	4.2	$	(6.7)	$	1.0
Other comprehensive income (loss) before reclassifications	—		1.2		2.6		3.8
Amounts reclassified from accumulated other comprehensive income (loss)	(3.5)		(2.9)		—		(6.4)
Net current period other comprehensive income (loss)	(3.5)		(1.7)		2.6		(2.6)
Balance at June 30, 2023	$	—	$	2.5	$	(4.1)	$	(1.6)

Balance at December 31, 2021	$	(4.0)	$	(4.5)	$	(7.6)	$	(16.1)
Other comprehensive income (loss) before reclassifications	—		4.9		0.5		5.4
Amounts reclassified from accumulated other comprehensive income (loss)	—		1.4		—		1.4
Net current period other comprehensive income (loss)	—		6.3		0.5		6.8
Balance at March 31, 2022	$	(4.0)	$	1.8	$	(7.1)	$	(9.3)
Other comprehensive income (loss) before reclassifications	—		1.9		0.4		2.3
Amounts reclassified from accumulated other comprehensive income (loss)	—		0.9		—		0.9
Net current period other comprehensive income (loss)	—		2.8		0.4		3.2
Balance at June 30, 2022	$	(4.0)	$	4.6	$	(6.7)	$	(6.1)

The tables below present the tax effects related to each component of other comprehensive income (loss):


	Three Months Ended June 30,
	2023						2022
	Pretax		Tax Expense		Net of tax		Pretax		Tax Expense		Net of tax
Defined benefit pension plan	$	(4.1)	$	0.6	$	(3.5)	$	—	$	—	$	—
Derivative instruments	(2.4)		0.7		(1.7)		3.8		(1.0)		2.8
Foreign currency translation adjustments	2.1		0.5		2.6		1.3		(0.9)		0.4
Total adjustments	$	(4.4)	$	1.8	$	(2.6)	$	5.1	$	(1.9)	$	3.2


	Six Months Ended June 30,
	2023						2022
	Pretax		Tax Expense		Net of tax		Pretax		Tax Expense		Net of tax
Defined benefit pension plan	$	(4.1)	$	0.6	$	(3.5)	$	—	$	—	$	—
Derivative instruments	(5.0)		1.3		(3.7)		12.4		(3.3)		9.1
Foreign currency translation adjustments	2.0		0.5		2.5		2.0		(1.1)		0.9
Total adjustments	$	(7.1)	$	2.4	$	(4.7)	$	14.4	$	(4.4)	$	10.0