Commitments and Contingencies - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2013 USD ($) property	Sep. 30, 2013 Bank guarantees and standby letters of credit [Member] USD ($)	Sep. 30, 2013 Bank guarantees [Member] USD ($)	Sep. 30, 2013 Bank guarantees [Member] EUR (€)	Sep. 30, 2013 Pledged assets [Member] USD ($)	Sep. 30, 2013 Tax Contingencies [Member] USD ($)
Commitments And Contingencies [Line Items]
Bank guarantees and letters of credit outstanding		$ 57,900,000
The amount of bank guarantees related to government requirements on income tax disputes			12,700,000	9,400,000
Bank guarantees related to appeals on income tax and indirect tax cases	23,300,000		12,900,000
The amount of pledged assets, principally PP&E to cover income tax and indirect tax assessments					18,200,000
Available lines of credit	86,000,000
Duration as potentially responsible party, years	20 years
Number of facilities under potentially responsible party investigation	9
Estimation of possible loss	5,000,000					13,000,000
Bank guarantees and pledged assets to pursue defenses related to other contingencies	41,500,000
Estimate range of possible loss from other contingencies, minimum	2,000,000
Estimate range of possible loss from other contingencies, maximum	$ 20,000,000