Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net income	$ 61.6	$ 64.6
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	29.8	24.4
Amortization related to financing	0.3	0.4
Deferred income taxes	10.1	(5.1)
Equity in earnings from affiliated companies	(1.3)	(0.8)
Stock-based compensation	9.9	10.9
Changes in assets and liabilities:
Increase in accounts receivable	(41.2)	(19.5)
Increase in inventories	(14.6)	(10.9)
Decrease (increase) in prepaid expenses and other current assets	2.6	(8.4)
Increase (decrease) in accounts payable/accrued liabilities	7.0	(0.9)
Other – net	(1.6)	(0.5)
Net cash provided by operating activities	62.6	54.2
Cash flows from investing activities
Capital expenditures	(59.5)	(85.5)
Acquisition of business and investment in affiliate		(10.0)
Net cash used for investing activities	(59.5)	(95.5)
Cash flows from financing activities
Proceeds from senior notes due 2027 (including original issue discount of $1.7)		398.3
Proceeds from settlement of treasury locks associated with senior notes due 2027		10.0
Proceeds from Euro term loan		37.4
Borrowing from senior unsecured credit facility	133.0	175.0
Repayment from senior unsecured credit facility	(105.0)	(455.0)
Repayment of capital lease obligation and other debt, net		(0.1)
Dividends paid	(11.2)	(10.1)
Repurchase of stock	(30.1)	(63.7)
Activity under stock plans	(2.2)	(0.3)
Net cash (used in) provided by financing activities	(15.5)	87.8
Effect of exchange rate changes on cash and cash equivalents	2.1	0.4
Net (decrease) increase in cash and cash equivalents	(10.3)	46.9
Cash and cash equivalents at beginning of period	60.1	35.2
Cash and cash equivalents at end of period	49.8	82.1
Supplemental data:
Accrual basis additions to property, plant and equipment	$ 45.3	92.9
Senior Notes Due 2027
Cash flows from financing activities
Issuance costs related to debt		$ (3.7)