Consolidated Statements of Cash Flows (unaudited)	9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
OPERATING ACTIVITIES
Net income	$ 78,500,000	$ 123,800,000
(Loss) income from discontinued operations, net of income taxes	(10,900,000)	27,400,000
Income from continuing operations	89,400,000	96,400,000
Reconciliation to net cash provided by (used for) operating activities from continuing operations:
Depreciation and amortization	73,800,000	74,800,000
Equity in earnings of unconsolidated affiliate	(18,000,000)	(12,100,000)
Dividends received from unconsolidated affiliate	24,800,000	11,800,000
Cash paid for Chapter 11, and legacy product and environmental	17,300,000	502,200,000
Provision for income taxes	62,100,000	53,100,000
Cash paid for income taxes, net of refunds	(40,100,000)	(18,400,000)
Loss on early extinguishment of debt	11,100,000	0
Cash paid for interest on credit arrangements	(45,500,000)	(54,000,000)
Defined benefit pension expense	8,200,000	19,600,000
Cash paid under defined benefit pension arrangements	(12,100,000)	(11,500,000)
Cash paid for restructuring	(13,600,000)	(4,200,000)
Changes in assets and liabilities, excluding effect of currency translation and acquisitions:
Trade accounts receivable	9,700,000	16,300,000
Inventories	(5,800,000)	(3,300,000)
Accounts payable	11,000,000	9,700,000
All other items, net	69,900,000	94,600,000
Net cash provided by (used for) operating activities from continuing operations	207,600,000	(229,400,000)
INVESTING ACTIVITIES
Capital expenditures	(89,400,000)	(86,200,000)
Business acquired	245,100,000	0
Proceeds from sale of product lines	11,300,000	0
Other investing activities	(1,400,000)	(2,100,000)
Net cash used for investing activities from continuing operations	(324,600,000)	(88,300,000)
FINANCING ACTIVITIES
Borrowings under credit arrangements	20,600,000	278,700,000
Repayments under credit arrangements	(614,900,000)	(44,700,000)
Cash paid for repurchases of common stock	55,100,000	220,100,000
Proceeds from exercise of stock options	13,300,000	24,900,000
Dividends paid	(24,100,000)	0
Distribution from GCP	750,000,000	0
Other financing activities	(2,400,000)	(2,900,000)
Net cash provided by financing activities from continuing operations	87,400,000	35,900,000
Effect of currency exchange rate changes on cash and cash equivalents	2,700,000	(3,400,000)
Decrease in cash and cash equivalents from continuing operations	(26,900,000)	(285,200,000)
Cash flows from discontinued operations
Net cash provided by operating activities	23,900,000	148,300,000
Net cash used for investing activities	(9,500,000)	(25,800,000)
Net cash provided by (used for) financing activities	31,400,000	(10,600,000)
Effect of currency exchange rate changes on cash and cash equivalents	(1,000,000)	(53,100,000)
Increase in cash and cash equivalents from discontinued operations	44,800,000	58,800,000
Net increase (decrease) in cash and cash equivalents	17,900,000	(226,400,000)
Less: cash and cash equivalents of discontinued operations		0
Cash and cash equivalents, beginning of period	231,300,000
Cash and cash equivalents, end of period	204,400,000
Supplemental Cash Flow Information [Abstract]
Net share settled stock option exercises	10,400,000	0
Scenario, Previously Reported
Cash flows from discontinued operations
Cash and cash equivalents, beginning of period	$ 329,900,000	557,500,000
Cash and cash equivalents, end of period		$ 331,100,000