CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 150.7	$ 104.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	69.9	65.9
Amortization	1.9	2.0
Stock-based compensation	13.6	14.1
Non-cash restructuring charges	0.0	15.9
Venezuela deconsolidation	11.1	0.0
Other non-cash items, net	(3.2)	(3.7)
Changes in assets and liabilities	(62.2)	(51.1)
Net cash provided by operating activities	181.8	147.6
Cash flows from investing activities:
Capital expenditures	(101.3)	(122.7)
Purchase of cost-method investment	0.0	8.4
Cash related to deconsolidated Venezuela subsidiary	(6.0)	0.0
Other, net	3.1	2.0
Net cash used in investing activities	(104.2)	(129.1)
Cash flows from financing activities:
Repayments of long-term debt	(1.8)	(69.2)
Dividend payments	(28.7)	(26.2)
Excess tax benefit from employee stock plans	0.0	13.9
Shares purchased under share repurchase program	(26.9)	(26.8)
Shares repurchased for employee tax withholdings	(3.8)	(3.7)
Proceeds from exercise of stock options and stock appreciation rights	36.0	21.8
Employee stock purchase plan contributions	3.2	2.8
Contingent consideration payments	(0.5)	(0.1)
Net cash used in financing activities	(22.5)	(87.5)
Effect of exchange rates on cash	11.2	0.3
Net increase (decrease) in cash and cash equivalents	66.3	(68.7)
Cash and cash equivalents at beginning of period	203.0	274.6
Cash and cash equivalents at end of period	$ 269.3	$ 205.9