CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Activities:
Consolidated net income	$ 173.2	$ 199.0	$ 137.1
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	94.3	91.0	91.9
Loss on disposal of property, plant and equipment	2.8	1.8	1.9
Deferred income taxes	15.4	(76.1)	(10.9)
Pension amortization and settlement loss	13.4	7.4	7.9
Provision for bad debts	3.2	3.8	6.2
Stock-based compensation	6.2	8.1	6.3
Asset impairment charge	0.7	5.3	18.5
Non-cash debt modification costs	0.0	1.8	0.0
Other non-cash items	(3.5)	(1.7)	(3.1)
Changes in operating assets and liabilities
Accounts receivable	(3.0)	(27.3)	(4.9)
Inventories	(14.7)	(25.2)	3.1
Pension plan funding	(24.2)	(10.8)	(10.5)
Accounts payable	(11.2)	28.0	(4.8)
Restructuring liabilities	(4.9)	4.5	(4.3)
Income taxes payable	(7.4)	(12.6)	5.4
Prepaid expenses and other	(36.7)	10.6	(14.7)
Net cash provided by operating activities	203.6	207.6	225.1
Investing Activities:
Purchases of property, plant and equipment	(75.9)	(76.7)	(62.4)
Acquisition of business, net of cash acquired	(122.5)	0.0	0.0
Proceeds from sales of assets	0.9	1.4	1.4
Purchases of short-term investments	(7.7)	(4.5)	(6.7)
Proceeds from sale of short-term investments	6.1	3.8	8.0
Other investing activities	(0.9)	(1.5)	(1.9)
Net cash used in investing activities	(200.0)	(77.5)	(61.6)
Financing Activities:
Debt issuance costs	(1.5)	0.0	0.0
Proceeds from issuance of long-term debt	0.0	0.0	7.2
Repayment of long-term debt	(66.3)	(118.9)	(193.2)
Proceeds from issuance of short-term debt	113.0	0.0	0.0
Repayment of short-term debt	(14.0)	(0.2)	(0.1)
Purchase of common shares for treasury	(21.7)	(0.7)	(2.6)
Proceeds from issuance of stock under option plan	3.0	14.6	5.5
Excess tax benefits related to stock incentive programs	(3.1)	(3.6)	0.3
Dividends paid to non-controlling interests	(1.8)	(2.4)	(4.9)
Capital contribution by non-controlling interests	3.7	0.0	0.0
Cash dividends paid	(7.1)	(7.0)	(7.0)
Net cash used in financing activities	4.2	(118.2)	(194.8)
Effect of exchange rate changes on cash and cash equivalents	(11.2)	11.8	(9.6)
Net increase (decrease) in cash and cash equivalents	(3.4)	23.7	(40.9)
Cash and cash equivalents at beginning of period	212.2	188.5	229.4
Cash and cash equivalents at end of period	208.8	212.2	188.5
Non-cash financing activities
Treasury stock purchases settled after period end	$ 0.3	$ 0.0	$ 0.0