CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income	$ 127.1us-gaap_ProfitLoss	$ 112.3us-gaap_ProfitLoss	$ 80.7us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	84.8us-gaap_Depreciation	81.0us-gaap_Depreciation	72.8us-gaap_Depreciation
Amortization	5.2us-gaap_AdjustmentForAmortization	4.2us-gaap_AdjustmentForAmortization	4.1us-gaap_AdjustmentForAmortization
Loss on debt extinguishment	0	0.2	11.6
Stock-based compensation	18.6us-gaap_ShareBasedCompensation	21.2us-gaap_ShareBasedCompensation	15.5us-gaap_ShareBasedCompensation
Loss on sales of equipment	0.3	0.4	1.7
Asset impairments	0us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges	6.2us-gaap_AssetImpairmentCharges
Deferred income taxes	7.0us-gaap_DeferredIncomeTaxExpenseBenefit	1.7us-gaap_DeferredIncomeTaxExpenseBenefit	5.3us-gaap_DeferredIncomeTaxExpenseBenefit
Pension and other retirement plans, net	(25.0)	8.0	(2.7)
Equity in undistributed earnings of affiliates, net of dividends	(4.5)	(4.8)	(4.5)
Changes in assets/liabilities, net of acquisitions:
Increase in accounts receivable	(6.3)	(9.1)	(25.7)
Increase in inventories	(16.2)us-gaap_IncreaseDecreaseInInventories	(13.9)us-gaap_IncreaseDecreaseInInventories	(8.9)us-gaap_IncreaseDecreaseInInventories
(Increase) decrease in other current assets	(11.7)	(0.6)	5.8
(Decrease) increase in accounts payable	(3.5)	4.6	5.8
Changes in other assets and liabilities	7.1	15.3	19.7
Net cash provided by operating activities	182.9	220.5	187.4
Cash flows from investing activities:
Capital expenditures	(111.9)	(151.9)	(131.3)
Acquisition of patents and other long-term assets	(0.2)	(3.9)	(0.7)
Sales and maturities of short-term investments	16.8	19.1	45.6
Purchases of short-term investments	(9.3)	(14.2)	(31.2)
Other, net	0.6	1.0	1.6
Net cash used in investing activities	(104.0)	(149.9)	(116.0)
Cash flows from financing activities:
Borrowings under revolving credit agreements	263.4	292.7	568.3
Repayments under revolving credit agreements	(283.4)	(311.0)	(502.6)
Debt issuance costs	0us-gaap_PaymentsOfDebtIssuanceCosts	0us-gaap_PaymentsOfDebtIssuanceCosts	(7.5)us-gaap_PaymentsOfDebtIssuanceCosts
Repayments of long-term debt	(2.3)	(30.5)	(215.9)
Issuance of long-term debt	0	43.2	168.1
Dividend payments	(29.1)us-gaap_PaymentsOfDividendsCommonStock	(26.7)us-gaap_PaymentsOfDividendsCommonStock	(24.9)us-gaap_PaymentsOfDividendsCommonStock
Contingent consideration payments	(0.3)	(0.1)
Proceeds from exercise of stock options and stock appreciation rights	14.3	21.7	8.7
Employee stock purchase plan contributions	2.8us-gaap_ProceedsFromOtherEquity	2.5us-gaap_ProceedsFromOtherEquity	2.2us-gaap_ProceedsFromOtherEquity
Excess tax benefit from employee stock plans	7.9	8.3	4.9
Shares repurchased for employee tax withholdings	(4.1)	(5.2)	(4.7)
Net cash used in financing activities	(30.8)	(5.1)	(3.4)
Effect of exchange rates on cash	(22.8)	2.6	2.1
Net increase in cash and cash equivalents	25.3	68.1	70.1
Cash, including cash equivalents at beginning of period	230.0	161.9	91.8
Cash, including cash equivalents at end of period	255.3	230.0	161.9
Supplemental cash flow information:
Interest paid, net of amounts capitalized	16.7us-gaap_InterestPaidNet	16.9us-gaap_InterestPaidNet	15.3us-gaap_InterestPaidNet
Income taxes paid, net	37.4us-gaap_IncomeTaxesPaidNet	34.4us-gaap_IncomeTaxesPaidNet	16.1us-gaap_IncomeTaxesPaidNet
Accrued capital expenditures	21.0	17.1	54.3
Dividends declared, not paid	$ 7.8	$ 7.0	$ 6.5

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The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

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- Definition

The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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- Definition

The cash inflow from other equity not otherwise defined in the taxonomy.

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- Definition

The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 9

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- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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-SubTopic 10

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-Paragraph 12

-Subparagraph (a),(b)

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Paragraph 19

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-Paragraph 1A

-Subparagraph (a),(c)

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-Paragraph 4J

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- Definition

The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Glossary Financing Activities

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Data Type:	xbrli:monetaryItemType
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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- Definition

Dividends, Declared During Period, Not Paid

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No definition available.

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