Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 47.5	$ 20.0
Restricted cash	0.0	1.4
Receivables, Net	179.5	159.4
Inventories	256.4	281.4
Other current assets	8.5	3.6
Total current assets	492.0	465.8
Property, plant and equipment, net	1,200.9	1,257.7
Operating lease right-of-use assets	66.0	73.1
Goodwill and intangible assets	49.6	52.0
Other assets, net	18.5	29.1
TOTAL ASSETS	1,826.9	1,877.7
Current liabilities:
Short-term debt	1.7	17.9
Trade payables	140.5	158.2
Accrued compensation	50.1	45.0
Other accrued liabilities	47.3	59.3
Total current liabilities	239.6	280.4
Long-term Debt, Excluding Current Maturities	785.5	884.5
Long-term operating lease liabilities	57.3	65.6
Liability for pension and other postretirement employee benefits	73.2	76.6
Other long-term obligations	22.6	17.3
Deferred tax liabilities	152.5	121.3
TOTAL LIABILITIES	$ 1,330.8	$ 1,445.7
Preferred stock, shares issued (in shares)	0	0
Stockholders' equity:
Preferred stock, par value $0.0001 per share, 5,000,000 authorized shares, no shares issued	$ 0.0	$ 0.0
Common stock, par value $0.0001 per share, 100,000,000 authorized shares, 16,571,798 and 16,515,813 shares issued	0.0	0.0
Additional paid-in capital	13.9	9.8
Retained earnings	536.3	481.7
Accumulated other comprehensive loss, net of tax	(54.0)	(59.5)
TOTAL STOCKHOLDERS' EQUITY	496.2	432.0
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,826.9	$ 1,877.7
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)	16,571,798	16,515,813