CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 178.8	$ 218.4	$ 184.5	$ 392.0
Receivables, net	776.3	733.2
Income taxes receivable	5.9	16.9
Inventories, net	711.4	682.6
Other current assets	35.0	48.1
Total current assets	1,707.4	1,699.2
Property, plant and equipment, net	3,482.1	3,575.8
Deferred income taxes	26.3	36.4
Other assets	1,150.4	1,208.4
Intangible assets, net	511.6	578.5
Goodwill	2,119.6	2,120.0	2,118.0
Total assets	8,997.4	9,218.3
Current liabilities:
Current installments of long-term debt	125.9	0.7
Accounts payable	636.5	669.8
Income taxes payable	22.6	9.4
Accrued liabilities	333.3	274.4
Total current liabilities	1,118.3	954.3
Long-term debt	3,104.4	3,611.3
Accrued pension liability	674.3	635.9
Deferred income taxes	518.9	511.2
Other liabilities	749.3	751.9
Total liabilities	6,165.2	6,464.6
Commitments and contingencies
Shareholders' equity:
Commons stock, par value $1 per share: Authorized, 240.0 shares; Issued and outstanding, 165.3 shares (167.1 in 2017)	165.3	167.1
Additional paid-in capital	2,247.4	2,280.9
Accumulated other comprehensive loss	(651.0)	(484.6)	(510.0)	(492.5)
Retained earnings	1,070.5	790.3
Total shareholders' equity	2,832.2	2,753.7	$ 2,273.0	$ 2,418.8
Total liabilities and shareholders' equity	$ 8,997.4	$ 9,218.3