Supplemental Balance Sheet Data (Tables)

3 Months Ended

Mar. 31, 2022

Balance Sheet Related Disclosures [Abstract]

Schedule of inventories by major class

The following table presents inventories by major class:

	March 31, 2022		December 31, 2021
Raw materials	$	52.0	$	54.7
Work in progress	43.2		32.6
Finished goods	67.2		64.0
Supplies and other	4.4		3.8
	166.8		155.1
Excess of FIFO over LIFO cost	(18.5)		(16.6)
Total	$	148.3	$	138.5

Schedule of changes in accumulated other comprehensive income (loss)

The following table presents changes in accumulated other comprehensive income (loss) ("AOCI") for the three months ended March 31, 2022: 

	Net Unrealized Foreign Currency Translation Loss		Net Loss from Pension and Other Postretirement Liabilities		Accumulated Other Comprehensive Loss
AOCI — December 31, 2021	$	(25.2)	$	(71.7)	$	(96.9)
Other comprehensive income (loss) before reclassifications	(8.1)		—		(8.1)
Amounts reclassified from AOCI	—		1.0		1.0
Income (loss) from other comprehensive income items	(8.1)		1.0		(7.1)
Provision (benefit) for income taxes	(0.3)		0.3		—
Other comprehensive income (loss)	(7.8)		0.7		(7.1)
AOCI — March 31, 2022	$	(33.0)	$	(71.0)	$	(104.0)