Venezuela Currency Remeasurement - Additional Information (Detail) (Devaluation Of Venezuelan Bolivar, USD $) In Millions, unless otherwise specified	6 Months Ended	36 Months Ended								3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2014	Feb. 08, 2013	Jun. 30, 2014 SICAD 1	Jun. 30, 2014 SICAD 2	Jun. 30, 2014 SICAD 1 and 2	Jun. 30, 2014 SICAD 1 and 2	Jun. 30, 2014 Noncontrolling Interest	Jun. 30, 2014 Noncontrolling Interest	Jun. 30, 2013 Noncontrolling Interest	Feb. 07, 2013 Before Rate Change	Feb. 08, 2013 After Rate Change
Maximum three year cumulative inflation using the blended Consumer Price Index and National Consumer Price Index		100.00%	100.00%	100.00%	100.00%
Foreign currency exchange rate								10.6	50.0						4.3	6.3
Gain (loss) on foreign currency transaction and translation, pre-tax	$ 3.2									$ 3.2	$ (18.6)	$ 0.7	$ (6.4)	$ 1.0
Gain (loss) on foreign currency transaction and translation, after tax	$ 2.0									$ 0.9	$ (14.0)
Percentage of foreign currency devaluation							32.00%
Joint venture, ownership percentage						50.10%