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	$ 206.9	$ 150.7	$ 143.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	101.7	94.3	88.1
Amortization	2.7	2.4	2.6
Stock-based compensation	15.1	16.1	19.5
Non-cash restructuring charges	2.2	0.7	17.5
Pension curtailment gain	0.0	0.0	(2.1)
Venezuela deconsolidation	0.0	11.1	0.0
Payment for Contingent Consideration Liability, Operating Activities	(0.6)	0.0	0.0
Loss on sales of equipment	1.8	1.6	0.7
Deferred income taxes	0.9	41.7	21.5
Pension and other retirement plans, net	(7.9)	(6.9)	(6.5)
Equity in undistributed earnings of affiliates, net of dividends	(5.9)	(7.0)	(6.8)
Changes in assets/liabilities, net of acquisitions:
Increase in accounts receivable	(43.8)	(39.7)	(23.3)
Increase in inventories	(7.0)	(3.6)	(21.2)
(Increase) decrease in other current assets	(6.2)	0.3	(2.4)
Increase in accounts payable	0.4	12.6	6.1
Changes in other assets and liabilities	28.3	(11.0)	(17.9)
Net cash provided by operating activities	288.6	263.3	219.4
Cash flows from investing activities:
Capital expenditures	(104.7)	(130.8)	(170.2)
Purchase of cost-method investments	0.0	0.0	(8.4)
Cash related to deconsolidated Venezuelan subsidiary	0.0	(6.0)	0.0
Other, net	3.9	3.2	2.8
Net cash used in investing activities	(100.8)	(133.6)	(175.8)
Cash flows from financing activities:
Repayments of long-term debt	(0.1)	(34.9)	(69.8)
Dividend payments	(42.1)	(39.1)	(35.8)
Contingent consideration payments	0.0	(0.7)	(0.3)
Proceeds from exercise of stock options and stock appreciation rights	31.8	39.5	25.9
Employee stock purchase plan contributions	4.9	4.4	3.8
Excess tax benefit from employee stock plans	0.0	0.0	18.2
Shares repurchased under share repurchase program	(70.8)	(74.4)	(52.2)
Shares repurchased for employee tax withholdings	(4.4)	(3.8)	(3.7)
Net cash used in financing activities	(80.7)	(109.0)	(113.9)
Effect of exchange rates on cash	(5.6)	12.2	(1.3)
Net increase in cash and cash equivalents	101.5	32.9	(71.6)
Cash, including cash equivalents at beginning of period	235.9	203.0	274.6
Cash, including cash equivalents at end of period	337.4	235.9	203.0
Supplemental cash flow information:
Interest paid, net of amounts capitalized	8.4	8.0	8.6
Income taxes paid, net	42.0	31.0	48.1
Accrued capital expenditures	15.0	20.1	22.7
Dividends declared, not paid	$ 11.3	$ 10.4	$ 9.5