Consolidated Statement 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	$ 327.2us-gaap_ProfitLoss	$ 329.8us-gaap_ProfitLoss	$ 302.1us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	79.2	70.6	66.8
Deferred income taxes	30.3us-gaap_DeferredIncomeTaxExpenseBenefit	13.3us-gaap_DeferredIncomeTaxExpenseBenefit	27.5us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation	16.4us-gaap_ShareBasedCompensation	14.3us-gaap_ShareBasedCompensation	15.8us-gaap_ShareBasedCompensation
Tax benefit on stock-based awards	(9.2)	(8.4)	(15.6)
(Gain) loss on sale of assets	(1.3)us-gaap_GainLossOnDispositionOfAssets	0.2us-gaap_GainLossOnDispositionOfAssets	0.4us-gaap_GainLossOnDispositionOfAssets
Changes in assets and liabilities, net of acquisitions:
Increase in accounts receivable	(17.8)	(30.9)	(1.8)
Increase in inventories	(46.9)us-gaap_IncreaseDecreaseInInventories	(25.9)us-gaap_IncreaseDecreaseInInventories	(11.8)us-gaap_IncreaseDecreaseInInventories
Increase (decrease) in current liabilities	20.0	1.7	(31.7)
Changes in other assets and liabilities, net	15.4	15.8	20.7
Contributions to qualified defined benefit pension plans	(23.5)us-gaap_PensionContributions	(3.2)us-gaap_PensionContributions	(22.6)us-gaap_PensionContributions
Other, net	1.7us-gaap_OtherNoncashIncomeExpense	4.5us-gaap_OtherNoncashIncomeExpense	(0.7)us-gaap_OtherNoncashIncomeExpense
NET CASH PROVIDED BY OPERATING ACTIVITIES	391.5	381.8	349.1
Cash Flows from Investing Activities
Capital expenditures	(60.3)	(58.8)	(49.1)
Acquisitions, net of cash acquired	(183.8)	(96.5)	(90.7)
Receipt of escrow funds from acquisition	0us-gaap_ProceedsFromPreviousAcquisition	0us-gaap_ProceedsFromPreviousAcquisition	6.8us-gaap_ProceedsFromPreviousAcquisition
Purchases of available-for-sale investments	(17.6)	(11.1)	(9.5)
Proceeds from sales of available-for-sale investments	12.1	10.5	19.4
Proceeds from disposition of assets	6.0	3.4	4.8
Other, net	1.0	1.4	2.2
NET CASH USED IN INVESTING ACTIVITIES	(242.6)	(151.1)	(116.1)
Cash Flows from Financing Activities
Issuance of short-term debt	2.0us-gaap_ProceedsFromShortTermDebt	0.4us-gaap_ProceedsFromShortTermDebt	0.2us-gaap_ProceedsFromShortTermDebt
Payment of short-term debt	(0.8)us-gaap_RepaymentsOfShortTermDebt	(0.1)us-gaap_RepaymentsOfShortTermDebt	(3.1)us-gaap_RepaymentsOfShortTermDebt
Payment of dividends	(121.2)us-gaap_PaymentsOfDividendsCommonStock	(109.5)us-gaap_PaymentsOfDividendsCommonStock	(122.3)us-gaap_PaymentsOfDividendsCommonStock
Payment of dividends to noncontrolling interest	(1.7)	(1.5)	(1.3)
Proceeds from exercise of stock options	2.4	2.4	24.8
Tax benefit on stock-based awards	9.2	8.4	15.6
Acquisition of common shares	(105.5)	(31.0)	(75.6)
NET CASH USED IN FINANCING ACTIVITIES	(215.6)	(130.9)	(161.7)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(20.1)	(4.1)	4.1
Increase in cash and cash equivalents	(86.8)	95.7	75.4
Cash and cash equivalents, beginning of year	740.7	645.0	569.6
Cash and cash equivalents, end of year	$ 653.9	$ 740.7	$ 645.0

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.