Supplemental Data (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Summary of advertising and research and development expenses

Summary of Advertising and Research and Development Expenses

	Year Ended December 31,
	2019		2018		2017
Advertising expense (a)	$	4.9	$	4.7	$	6.0
Research and development expense	8.7		9.2		8.9

_______________________

(a)

Advertising expense and research and development expense are recorded in Selling, general and administrative expenses on the consolidated statements of operations.

Summary of accounts receivable - net

Summary of Accounts Receivable, net

	December 31,
	2019			2018
From customers	$	104.1		$	116.1
Less allowance for doubtful accounts and sales discounts	(1.5		)	(1.3		)
Total	$	102.6		$	114.8

Schedule of inventories by major class

Summary of Inventories

	December 31,
	2019			2018
Inventories by Major Class:
Raw materials	$	32.8		$	35.6
Work in progress	26.4			30.1
Finished goods	67.3			78.3
Supplies and other	5.2			3.0
	131.7			147.0
Excess of FIFO over LIFO cost	(8.9		)	(15.4		)
Total	$	122.8		$	131.6

Summary of prepaid and other current assets

Summary of Prepaid and Other Current Assets

	December 31,
	2019		2018
Prepaid and other current assets	$	9.9	$	12.2
Spare parts	6.4		6.6
Receivable for income taxes	2.0		2.8
Total	$	18.3	$	21.6

Summary of property, plant and equipment - net

Summary of Property, Plant and Equipment, net

	December 31,
	2019		2018
Land and land improvements	$	19.4	$	19.0
Buildings	165.4		156.0
Machinery and equipment	651.0		650.3
Construction in progress	14.8		14.9
	850.6		840.2
Less accumulated depreciation	470.0		444.0
Net Property, Plant and Equipment	$	380.6	$	396.2

Summary of accrued expenses

Summary of Accrued Expenses

	December 31,
	2019		2018
Accrued salaries and employee benefits	$	26.2	$	23.9
Amounts due to customers	8.9		9.6
Accrued income taxes	0.5		5.3
Accrued utilities	3.0		3.9
Accrued interest	1.2		1.2
Other	7.2		11.3
Total	$	47.0	$	55.2

Summary of noncurrent employee benefits

Summary of Noncurrent Employee Benefits

	December 31,
	2019		2018
Pension benefits	$	57.1	$	54.0
Post-employment benefits other than pensions (a)	36.0		38.9
Total	$	93.1	$	92.9

_______________________

(a)

Post-employment benefits other than pensions included $1.7 million of SRCP benefits, $0.7 million of Canadian long-term disability benefits, and $0.2 million of other long-term benefits as of December 31, 2019. As of December 31, 2018, $1.7 million of SRCP benefits and $0.8 million of Canadian long-term disability benefits were included.

Schedule of supplemental disclosure of cash flow information

Supplemental Disclosure of Cash Flow Information

	Year Ended December 31,
	2019		2018		2017
Cash paid during the year for interest, net of interest expense capitalized	$	10.9	$	11.9	$	11.3
Cash paid during the year for income taxes, net of refunds	13.3		7.6		7.6
Non-cash investing activities:
Liability for equipment acquired	3.2		3.4		5.4

Schedule of net cash provided by (used in) changes in working capital, net of effect of acquisitions

Net Cash Provided by (Used in) Changes in Operating Working Capital, Net of Effect of Acquisitions

	Year Ended December 31,
	2019			2018			2017
Accounts receivable	$	11.6		$	(0.9	)	$	(10.2	)
Inventories	8.2			3.8			(11.7		)
Income taxes receivable/payable	(5.4		)	(1.8		)	4.5
Prepaid and other current assets	2.4			(1.8		)	(0.4		)
Accounts payable	(14.0		)	0.3			10.6
Accrued expenses	(3.4		)	(0.6		)	(4.2		)
Other	—			—			(0.4		)
Total	$	(0.6	)	$	(1.0	)	$	(11.8	)