Financial Instruments and Fair Value Measurements - Summary of Gains (Losses) From the Change in Fair Value of Derivative Instruments Included in Other Comprehensive Income (Loss) (Parenthetical) (Detail) (Net investment hedges [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net investment hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain (Loss) on settlement of derivatives	$ 6.9	$ 5.4