Condensed Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net income	$ 274.6	$ 60.2
Adjustments to reconcile net income to net cash and cash equivalents provided by (used for) operating activities:
Losses (earnings) of non-consolidated affiliates	20.2	(1.5)
Losses on disposition of property, plant and equipment	1.9	0.4
Stock-based compensation	9.2	6.4
Depreciation and amortization	451.0	411.4
Deferred income taxes	44.0	(17.5)
Qualified pension plan contributions	(1.3)	(1.2)
Qualified pension plan income	(11.1)	(20.3)
Change in:
Receivables	(280.1)	(48.5)
Income taxes receivable/payable	17.1	10.6
Inventories	(44.5)	(46.7)
Other current assets	4.5	3.1
Accounts payable and accrued liabilities	110.1	92.9
Other assets	(2.0)	7.7
Other noncurrent liabilities	(3.8)	(13.6)
Other operating activities	(3.5)	11.7
Net operating activities	586.3	455.1
Investing Activities
Capital expenditures	(274.5)	(210.0)
Payments under long-term supply contracts	0.0	(209.4)
Proceeds from disposition of property, plant and equipment	2.9	0.1
Net investing activities	(271.6)	(419.3)
Long-term debt:
Borrowings	570.0	2,035.0
Repayments	(823.7)	(1,907.4)
Common stock repurchased and retired	(16.8)	0.0
Stock options exercised	3.2	18.5
Dividends paid	(100.3)	(99.6)
Debt issuance costs	(8.5)	(11.2)
Net financing activities	(376.1)	35.3
Effect of exchange rate changes on cash and cash equivalents	(0.3)	0.3
Net (decrease) increase in cash and cash equivalents	(61.7)	71.4
Cash and cash equivalents, beginning of period	218.4	184.5
Cash and cash equivalents, end of period	156.7	255.9
Cash paid for interest and income taxes:
Interest, net	153.9	138.7
Income taxes, net of refunds	31.9	11.2
Non-cash investing activities:
Decrease in capital expenditures included in accounts payable and accrued liabilities	$ 7.0	$ 25.0