Employee Benefits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013 Qualified U.S. Pension Plans [Member]	Sep. 30, 2013 Non-Qualified U.S. Pension Plan [Member]	Sep. 30, 2013 Non-Qualified U.S. Pension Plan [Member]	Sep. 30, 2013 Non-U.S. Pension Plans [Member]	Sep. 30, 2013 Non-U.S. Pension Plans [Member]	Sep. 30, 2013 Postretirement Benefit Plan [Member]	Sep. 30, 2013 Postretirement Benefit Plan [Member]	Dec. 31, 2013 Minimum [Member] Non-U.S. Pension Plans [Member]	Dec. 31, 2013 Maximum [Member] Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to the plan								$ 18	$ 28
Contribution to the plans	30.0	1.0	3.1	4.3	12.8
Expected contribution to the plan							5
Contribution to other postretirement plans						$ 1.2	$ 3.9