Benefit Plans - Amounts Recorded in Consolidated Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Non-current liabilities	$ (324.8)	$ (378.8)
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Defined Benefit Plans, Assets, Noncurrent	0.7
Current liabilities	(3.9)	(3.5)
Non-current liabilities	(57.9)	(64.6)
Benefit obligations in excess of the fair value of plan assets	(61.1)	(68.1)
Non-US Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Defined Benefit Plans, Assets, Noncurrent	3.7
Current liabilities	(4.7)	(4.9)
Non-current liabilities	(174.5)	(207.0)
Benefit obligations in excess of the fair value of plan assets	(175.5)	(211.9)
Post-retirement
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(3.7)	(4.5)
Non-current liabilities	(38.7)	(54.8)
Benefit obligations in excess of the fair value of plan assets	$ (42.4)	$ (59.3)