Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
OPERATING ACTIVITIES
Net income (loss)		$ 43.4	$ 42.9
Reconciliation to net cash provided by (used for) operating activities:
Depreciation and amortization		25.0	27.1
Equity in earnings of unconsolidated affiliate		(5.4)	(7.0)
(Costs) benefit related to legacy product, environmental and other claims		1.5	2.1
Cash paid for legacy product, environmental and other claims		6.3	40.7
Provision for (benefit from) income taxes		24.8	18.0
Cash paid for income taxes		8.9	15.4
Income tax refunds received		0.0	0.8
Interest expense and related financing costs		19.3	19.5
Cash paid for interest		(5.3)	(4.9)
Defined benefit pension expense		3.8	5.0
Cash paid under defined benefit pension arrangements		(3.7)	(3.8)
Changes in assets and liabilities, excluding effect of currency translation and acquisitions:
Trade accounts receivable		20.1	19.8
Inventories		(23.0)	(4.4)
Accounts payable		10.5	10.1
All other items, net		(6.8)	(33.2)
Net Cash Provided by (Used in) Operating Activities		89.0	35.9
INVESTING ACTIVITIES
Capital expenditures		(50.1)	(31.0)
Other investing activities		1.6	0.1
Net Cash Provided by (Used in) Investing Activities		(48.5)	(30.9)
FINANCING ACTIVITIES
Borrowings under credit arrangements		8.6	38.9
Repayments under credit arrangements		(11.7)	(41.7)
Cash paid for repurchases of common stock		35.0	10.0
Proceeds from exercise of stock options		0.8	6.0
Dividends paid to shareholders		(16.2)	(14.3)
Other financing activities		(1.6)	(0.3)
Net Cash Provided by (Used in) Financing Activities		(55.1)	(21.4)
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash		2.4	2.2
Net increase (decrease) in cash and cash equivalents		(12.2)	(14.2)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	[1]	163.5	100.6
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	[2]	151.3	86.4
Restricted cash and cash equivalents		1.4	10.0
Supplemental Cash Flow Information [Abstract]
Capital expenditures in accounts payable		29.6	21.2
Net share settled stock option exercises		$ 0.0	$ 1.2

[1] (1)Includes $10.7 million and $10.0 million of restricted cash and cash equivalents at December 31, 2017 and 2016, respectively.

[2] (2)Includes $1.4 million and $10.0 million of restricted cash and cash equivalents at March 31, 2018 and 2017, respectively.