CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities:
Net income (loss)	$ 191.7	$ (84.9)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	117.1	120.7
Deferred taxes	2.8	1.7
Gain on joint venture deconsolidation	(15.9)	0.0
Impairment of goodwill	0.0	114.4
Changes in operating assets and liabilities:
Inventories	(137.2)	(64.1)
Accounts receivable	(43.0)	(73.8)
Accounts payable	71.0	56.2
Retirement benefits	(10.1)	(117.6)
Accrued liabilities and other	(59.8)	(6.4)
Cash provided by (used in) operating activities	116.6	(53.8)
Investing Activities:
Purchases of property, plant and equipment	(101.3)	(85.3)
Purchases of businesses	(10.0)	0.0
Asset disposals and other	2.2	3.2
Cash used in investing activities	(109.1)	(82.1)
Financing Activities:
Borrowings on long-term debt	7.1	8.5
Payments on long-term debt and capital leases	(4.6)	(1.9)
Net borrowings under credit facilities	4.0	28.0
Debt issuance costs	0.0	(0.8)
Dividends paid to noncontrolling interests	(10.0)	0.0
Sales to noncontrolling interests	14.4	2.2
Shares repurchased for income tax withholding on share-based compensation and other	(6.5)	(4.8)
Cash provided by financing activities	4.4	31.2
Increase (decrease) in cash and cash equivalents
Increase (decrease) in cash and cash equivalents	11.9	(104.7)
Cash and cash equivalents at beginning of period	141.6	229.6
Cash and cash equivalents at end of period	$ 153.5	$ 124.9