Changes in Level 3 Liabilities (Detail) (Contingent Consideration, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Liabilities Beginning Balance	$ 50.1		$ 56.8
Total (Gains) and Losses:
Included in Earnings	5.3	[1]	2.0	[1]
Included in Other Comprehensive Income			(0.5)	[2]
Purchases, Issuances, Sales, and Settlements:
Purchases
Settlements			(8.2)
Fair Value Liabilities Ending Balance	55.4		50.1
Unrealized (Gains) Losses Included in Earnings Related to Financial Instruments Held at December 31	$ 5.3	[1]	$ 4.8	[1]

[1] Gains (losses) are recorded in other operating income (expense) within the consolidated statement of income.

[2] Unrealized foreign currency related losses on contingent consideration liabilities are included in foreign currency translation adjustments, within the consolidated statement of comprehensive income.