Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statement of Cash Flows.

	December 31,
	2021		2020
Cash and cash equivalents	$	280.2	$	288.8
Restricted cash - current (a)		40.1		62.6
Restricted cash - noncurrent (b)		—		6.2
Total cash, cash equivalents and restricted cash	$	320.3	$	357.6

(a) Included within Prepaid expenses and other current assets within the Consolidated Balance Sheets.

(b) Included within Other noncurrent assets within the Consolidated Balance Sheets.

Allowance for Credit Losses

Transactions affecting the allowance for credit losses for financial instruments during the years ended December 31, 2021 and 2020 were as follows. Recoveries were immaterial for the years ended December 31, 2021 and 2020.

	2021			2020
Balance, beginning of year	$	15.9		$	14.3
Additional allowance recognized due to adoption of Topic ASC 326		—			0.3
Credit loss expense		(3.9	)		5.7
Write-offs and other		(3.3	)		(4.4	)
Balance, end of year	$	8.7		$	15.9

Components of Inventories

The components of inventories, net of excess and obsolescence reserves for raw materials and finished goods, at December 31, 2021 and 2020 were as follows:

	2021			2020
Raw materials and manufacturing supplies	$	183.5		$	147.3
Work in process		77.6			64.8
Finished goods		116.0			107.9
LIFO reserve		(24.4	)		(17.9	)
Total	$	352.7		$	302.1

Components of Property, Plant and Equipment

The components of property, plant and equipment at December 31, 2021 and 2020 were as follows:

	2021			2020
Land	$	35.5		$	38.2
Buildings		365.6			361.0
Machinery and equipment		1,674.6			1,703.1
		2,075.7			2,102.3
Accumulated depreciation		(1,667.3	)		(1,663.5	)
Total	$	408.4		$	438.8