Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 129.0	$ 159.6
Accounts and notes receivable, net	81.6	90.8
Inventories, net	61.7	53.8
Current assets of discontinued operations	297.9	306.1
Income tax receivable	5.9	30.7
Other current assets	6.9	7.9
Total current assets	583.0	648.9
Property, plant, and equipment, less accumulated depreciation and amortization of $396.0 and $361.4, respectively	484.8	499.9
Prepaid pension costs	111.2	88.3
Investment in joint venture	111.8	107.3
Goodwill and intangible assets, net	443.7	441.1
Deferred income taxes	16.6	19.6
Income taxes receivable	4.1	4.1
Other non-current assets	69.5	64.3
Total assets	1,824.7	1,873.5
Current liabilities:
Current installments of long-term debt	40.0	32.5
Accounts payable and accrued expenses	103.8	108.4
Current liabilities of discontinued operations	114.9	128.5
Income tax payable	1.2	0.5
Total current liabilities	259.9	269.9
Long-term debt, less current installments	795.0	817.7
Postretirement benefit liabilities	76.1	79.2
Pension benefit liabilities	56.0	57.2
Other long-term liabilities	33.0	35.5
Income taxes payable	55.2	53.0
Deferred income taxes	145.4	141.7
Total non-current liabilities	1,160.7	1,184.3
Shareholders' equity:
Common stock, $0.01 par value per share, 200 million shares authorized, 61,434,462 shares issued and 51,638,049 shares outstanding as of June 30, 2018 and 60,782,736, shares issued and 52,772,139 shares outstanding as of December 31, 2017	0.6	0.6
Additional paid-in capital	535.7	516.8
Retained earnings	762.8	633.4
Treasury stock, at cost, 9,796,413 shares as of June 30, 2018 and 8,010,597 shares as of December 31, 2017	(490.6)	(385.6)
Accumulated other comprehensive (loss)	(404.4)	(345.9)
Total shareholders' equity	404.1	419.3
Total liabilities and shareholders' equity	$ 1,824.7	$ 1,873.5