Condensed Consolidating Statements of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities:	$ 627.0	$ 668.5	$ 480.3
Net change in short-term debt	25.4	102.0	74.7
Proceeds from issuance of long-term debt	1,764.8	1,273.4	802.5
Payments on long-term debt	(1,248.0)us-gaap_RepaymentsOfLongTermDebt	(407.7)us-gaap_RepaymentsOfLongTermDebt	(172.7)us-gaap_RepaymentsOfLongTermDebt
Issuance (repurchase) of common stock, net	(285.3)us-gaap_ProceedsFromRepurchaseOfEquity	450.5us-gaap_ProceedsFromRepurchaseOfEquity	(557.9)us-gaap_ProceedsFromRepurchaseOfEquity
Excess tax benefits from stock-based compensation	38.0	11.6	43.0
Other	(29.4)	(24.2)	(24.9)
Net cash provided by (used in) financing activities	265.5	1,405.6	164.7
Additions to property, plant and equipment	(202.1)	(211.0)	(154.5)
Acquisition of business, net of cash acquired	(517.4)	(1,820.1)	(286.3)
Other	8.0	73.7	13.3
Net cash provided by (used in) investing activities	(711.5)	(1,957.4)	(427.5)
Effect of exchange rate changes on cash	(144.7)	(22.3)	8.3
Net increase (decrease) in cash and cash equivalents	36.3	94.4	225.8
Cash and cash equivalents at beginning of period	1,128.5	1,034.1	808.3
Cash and cash equivalents at end of period	1,164.8	1,128.5	1,034.1
Parent Company
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities:	(145.5)	(180.6)	(171.4)
(Payments on) proceeds from intercompany transactions	11.8	775.4	409.6
Proceeds from issuance of long-term debt	1,752.5	1,261.5	800.0
Payments on long-term debt	(1,245.7)	(404.5)	(166.0)
Issuance (repurchase) of common stock, net	(285.3)	450.5	(557.9)
Excess tax benefits from stock-based compensation	38.0	11.6	43.0
Other	(21.4)	(19.2)	(24.4)
Net cash provided by (used in) financing activities	249.9	2,075.3	504.3
Additions to property, plant and equipment	(6.2)	(37.5)	(5.2)
Acquisition of business, net of cash acquired		(1,807.4)	(104.2)
Other	(0.2)	20.8	1.3
Net cash provided by (used in) investing activities	(6.4)	(1,824.1)	(108.1)
Net increase (decrease) in cash and cash equivalents	98.0	70.6	224.8
Cash and cash equivalents at beginning of period	630.8	560.2	335.4
Cash and cash equivalents at end of period	728.8	630.8	560.2
Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities:	555.1	675.2	463.5
Net change in short-term debt		(0.1)
(Payments on) proceeds from intercompany transactions	(74.9)	(567.5)	(421.3)
Proceeds from issuance of long-term debt	1.6		0.5
Payments on long-term debt	(1.5)	(1.8)	(0.4)
Other	(7.6)	(4.4)
Net cash provided by (used in) financing activities	(82.4)	(573.8)	(421.2)
Additions to property, plant and equipment	(129.0)	(77.7)	(67.0)
Acquisition of business, net of cash acquired	(340.5)		(3.0)
Intercompany investing activities, net		(16.3)
Other	(7.4)	1.2	4.2
Net cash provided by (used in) investing activities	(476.9)	(92.8)	(65.8)
Net increase (decrease) in cash and cash equivalents	(4.2)	8.6	(23.5)
Cash and cash equivalents at beginning of period	13.5	4.9	28.4
Cash and cash equivalents at end of period	9.3	13.5	4.9
Non-Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities:	236.5	182.8	207.9
Net change in short-term debt	25.4	102.1	74.7
(Payments on) proceeds from intercompany transactions	44.0	(200.5)	(8.0)
Proceeds from issuance of long-term debt	10.7	11.9	2.0
Payments on long-term debt	(0.8)	(1.4)	(6.3)
Other	(0.4)	(0.6)	(0.5)
Net cash provided by (used in) financing activities	78.9	(88.5)	61.9
Additions to property, plant and equipment	(66.9)	(95.8)	(82.3)
Acquisition of business, net of cash acquired	(176.9)	(12.7)	(179.1)
Other	15.6	51.7	7.8
Net cash provided by (used in) investing activities	(228.2)	(56.8)	(253.6)
Effect of exchange rate changes on cash	(144.7)	(22.3)	8.3
Net increase (decrease) in cash and cash equivalents	(57.5)	15.2	24.5
Cash and cash equivalents at beginning of period	484.2	469.0	444.5
Cash and cash equivalents at end of period	426.7	484.2	469.0
Eliminations
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities:	(19.1)	(8.9)	(19.7)
(Payments on) proceeds from intercompany transactions	19.1	(7.4)	19.7
Net cash provided by (used in) financing activities	19.1	(7.4)	19.7
Intercompany investing activities, net		16.3
Net cash provided by (used in) investing activities		$ 16.3

Intercompany Investing Activities Net

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The net cash inflow or outflow from other financing activities. This element is used specifically as it relates to the presentation of other financing activities in the Condensed Consolidating Statements of Cash Flows.

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Represents net cash inflow or outflow originating from transactions conducted between Guarantor Subsidiaries, Non-Guarantor Subsidiaries and Parent in the normal course of business operations. These amounts are eliminated in the consolidated financial statements.

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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.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Includes effect from exchange rate changes.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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