Commitments and Contingencies - Additional Information (Detail)	3 Months Ended						3 Months Ended
	Mar. 31, 2015 USD ($) property	Mar. 31, 2015 Bank guarantees and standby letters of credit [Member] USD ($)	Mar. 31, 2015 Bank guarantees [Member] USD ($)	Mar. 31, 2015 Bank guarantees [Member] EUR (€)	Mar. 31, 2015 Pledged assets [Member] USD ($)	Mar. 31, 2015 Tax Contingencies [Member] USD ($)	Mar. 31, 2015 Spanish Matter [Member] USD ($)
Commitments And Contingencies [Line Items]
Bank guarantees and letters of credit outstanding		$ 36,000,000
The amount of bank guarantees related to government requirements on income tax disputes			5,100,000	4,700,000
Bank guarantees related to appeals on income tax and indirect tax cases	16,400,000
The amount of pledged assets, principally PP&E to cover income tax and indirect tax assessments					15,500,000
Available lines of credit	74,500,000
Duration as potentially responsible party, years	20 years
Number of facilities under potentially responsible party investigation	8
Estimation of possible loss	5,000,000					13,000,000
Bank guarantees and pledged assets to pursue defenses related to other contingencies	31,900,000
Estimate range of possible loss from other contingencies, minimum	0
Estimate range of possible loss from other contingencies, maximum	31,000,000
Payment of Litigation Settlement							$ 11,200,000