Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities
Net income	$ 276.6	$ 284.0	$ 249.8
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	123.1	104.5	93.3
Amortization of deferred financing costs and debt discount	1.6	0.7	1.7
Deferred income taxes	29.3	3.8	62.8
Restructuring Expense	7.7
Equity in earnings from affiliated companies	(5.6)	(3.3)	(2.5)
Stock-based compensation	16.2	17.6	16.1
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(20.7)	20.2	(17.4)
(Increase) decrease in inventories	(25.2)	2.3	10.8
Increase in prepaid expenses and other current assets	(8.6)	(0.1)	(4.1)
Increase in other non-current assets		(8.0)	(13.7)
Increase (decrease) increase in accounts payable/accrued liabilities	23.3	(2.1)	(7.9)
Increase in other non-current liabilities			8.1
Other – net	3.7	9.1	4.4
Net cash provided by operating activities	421.4	428.7	401.4
Cash flows from investing activities
Capital expenditures	(184.1)	(278.1)	(327.9)
Acquisitions and Investments in affiliated companies	(3.4)	(76.0)	(38.6)
Net cash used for investing activities	(187.5)	(354.1)	(366.5)
Cash flows from financing activities
Proceeds from issuance of senior notes		398.3
Issuance costs related to senior notes		(3.7)
Proceeds from settlements of treasury locks		10.0
Proceeds from Euro term loan		37.4	26.4
Repayments of Euro term loan	(4.2)	(4.1)
Borrowing from senior unsecured credit facility	752.0	459.0	563.0
Repayment of senior unsecured credit facility	(600.0)	(774.0)	(485.0)
Change in capital lease obligations	(0.2)
Proceeds (repayment) of other debt, net	0.2	(0.5)	1.1
Deferred financing costs and discount related to long-term debt			(1.7)
Dividends paid	(48.4)	(42.6)	(39.8)
Repurchase of stock	(357.7)	(150.3)	(111.1)
Activity under stock plans	1.0	12.2	0.3
Net cash provided by (used for) financing activities	(257.3)	(58.3)	(46.8)
Effect of exchange rate changes on cash and cash equivalents	(4.0)	8.6	(4.7)
Net (decrease) increase in cash and cash equivalents	(27.4)	24.9	(16.6)
Cash and cash equivalents at beginning of period	60.1	35.2	51.8
Cash and cash equivalents at end of period	32.7	60.1	35.2
Supplemental data:
Accrual basis additions to property, plant and equipment	$ 179.1	$ 284.4	$ 320.2