Condensed Consolidating Statements of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities, net	$ 63.2	$ 81.4
Net change in short-term debt	(11.3)	83.6
Proceeds from issuance of long-term debt	527.1	800.6
Payments on long-term debt	(376.0)	(153.2)
Issuance (repurchase) of common stock, net	469.7	(536.6)
Excess tax benefits from stock-based compensation	11.4	42.7
Other	(16.8)	(24.9)
Net cash provided by (used in) financing activities	604.1	212.2
Additions to property, plant and equipment	(115.6)	(76.9)
Acquisition of businesses, net of cash acquired	(12.7)	(155.2)
Other	7.8	9.8
Net cash provided by (used in) investing activities	(120.5)	(222.3)
Effect of exchange rate changes on cash	(20.6)	7.1
Net increase (decrease) in cash and cash equivalents	526.2	78.4
Cash and cash equivalents at beginning of period	1,034.1	808.3
Cash and cash equivalents at end of period	1,560.3	886.7
Parent Company
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities, net	(53.2)	(225.8)
(Payments on) proceeds from intercompany transactions	44.9	245.8
Proceeds from issuance of long-term debt	515.2	800.0
Payments on long-term debt	(374.8)	(147.4)
Issuance (repurchase) of common stock, net	469.7	(536.6)
Excess tax benefits from stock-based compensation	11.4	42.7
Other	(12.4)	(24.4)
Net cash provided by (used in) financing activities	654.0	380.1
Additions to property, plant and equipment	(4.7)	(4.2)
Acquisition of businesses, net of cash acquired	(1.0)	(0.9)
Other	7.1	2.3
Net cash provided by (used in) investing activities	1.4	(2.8)
Net increase (decrease) in cash and cash equivalents	602.2	151.5
Cash and cash equivalents at beginning of period	560.2	335.4
Cash and cash equivalents at end of period	1,162.4	486.9
Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities, net	122.0	330.7
Net change in short-term debt	(0.1)
(Payments on) proceeds from intercompany transactions	(55.8)	(314.4)
Proceeds from issuance of long-term debt		0.5
Payments on long-term debt	(0.3)	(0.4)
Other	(4.4)
Net cash provided by (used in) financing activities	(60.6)	(314.3)
Additions to property, plant and equipment	(48.9)	(41.2)
Acquisition of businesses, net of cash acquired		(5.4)
Intercompany investing activities, net	(16.3)
Other	0.6	4.0
Net cash provided by (used in) investing activities	(64.6)	(42.6)
Net increase (decrease) in cash and cash equivalents	(3.2)	(26.2)
Cash and cash equivalents at beginning of period	5.0	28.4
Cash and cash equivalents at end of period	1.8	2.2
Non-Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities, net	2.7	(13.0)
Net change in short-term debt	(11.2)	83.6
(Payments on) proceeds from intercompany transactions	18.9	58.1
Proceeds from issuance of long-term debt	11.9	0.1
Payments on long-term debt	(0.9)	(5.4)
Other		(0.5)
Net cash provided by (used in) financing activities	18.7	135.9
Additions to property, plant and equipment	(62.0)	(31.5)
Acquisition of businesses, net of cash acquired	(11.7)	(148.9)
Other	0.1	3.5
Net cash provided by (used in) investing activities	(73.6)	(176.9)
Effect of exchange rate changes on cash	(20.6)	7.1
Net increase (decrease) in cash and cash equivalents	(72.8)	(46.9)
Cash and cash equivalents at beginning of period	468.9	444.5
Cash and cash equivalents at end of period	396.1	397.6
Eliminations
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net cash provided by (used in) operating activities, net	(8.3)	(10.5)
(Payments on) proceeds from intercompany transactions	(8.0)	10.5
Net cash provided by (used in) financing activities	(8.0)	10.5
Intercompany investing activities, net	16.3
Net cash provided by (used in) investing activities	$ 16.3