Employee Benefit Plans - Schedule of Funded Status (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Noncurrent	$ (169.3)	$ (202.9)
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Balance at beginning of the year	69.1	65.3
Interest cost	2.4	2.7	2.9
Actuarial loss (gain)	(5.6)	4.9
Benefits paid	(3.9)	(3.8)
Balance at end of the year	62.0	69.1	65.3
Fair value at beginning of the year	50.7	45.4
Actual return on plan assets	7.0	6.9
Employer contributions	1.1	2.2
Fair value at end of year	54.9	50.7	45.4
Funded status	(7.1)	(18.4)
Current	(0.3)	(0.3)
Noncurrent	(6.8)	(18.1)
Total	(7.1)	(18.4)
Accumulated other comprehensive loss—Actuarial loss	28.9	38.1
Total amount recognized in balance sheet	21.8	19.7
Accumulated benefit obligations (“ABO”)	62.0	69.1
Foreign Pension Plan Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Balance at beginning of the year	591.5	469.7
Service cost	13.1	10.4	11.2
Interest cost	21.6	22.8	24.1
Participants’ contributions	1.9	1.8
Actuarial loss (gain)	(2.5)	95.9
Change in currency exchange rates	4.6	15.3
Benefits paid	(25.3)	(24.4)
Balance at end of the year	604.9	591.5	469.7
Fair value at beginning of the year	409.9	343.7
Actual return on plan assets	28.5	49.0
Employer contributions	27.3	28.2
Change in currency exchange rates	(0.7)	11.6
Fair value at end of year	441.6	409.9	343.7
Funded status	(163.3)	(181.6)
Pension asset	0.6	5.1
Current	(1.4)	(1.9)
Noncurrent	(162.5)	(184.8)
Total	(163.3)	(181.6)
Accumulated other comprehensive loss—Actuarial loss	160.8	190.8
Accumulated other comprehensive income (loss) - Prior service credit	2.8	5.4
Accumulated other comprehensive loss - Net transition obligations		1.3
Accumulated other comprehensive loss, Total	163.6	197.5
Total amount recognized in balance sheet	0.3	15.9
Accumulated benefit obligations (“ABO”)	560.0	545.9
OPEB
Defined Benefit Plan Disclosure [Line Items]
Balance at beginning of the year	22.7	22.1
Service cost	0.3	0.3	0.2
Interest cost	0.7	0.8	1.0
Actuarial loss (gain)	(2.2)	0.4
Plan amendment	(4.4)
Curtailment	(0.1)
Change in currency exchange rates	(0.8)	0.3
Benefits paid	(1.1)	(1.2)
Balance at end of the year	15.1	22.7	22.1
Fair value at beginning of the year
Fair value at end of year
Funded status	(15.1)	(22.7)
Current	(1.4)	(1.5)
Noncurrent	(13.7)	(21.2)
Total	(15.1)	(22.7)
Accumulated other comprehensive loss—Actuarial loss	1.6	3.8
Accumulated other comprehensive income (loss) - Prior service credit	(12.6)	(10.5)
Accumulated other comprehensive loss, Total	(11.0)	(6.7)
Total amount recognized in balance sheet	$ (26.1)	$ (29.4)