Commitments and Contingencies - Devaluation and Other Contingencies (Details) - Jun. 30, 2015 employee in Thousands, $ in Millions	USD ($) employee
Intercompany Foreign Currency Balance [Line Items]
Entity number of employees	83
Percentage of employees represented by unions under collective bargaining agreements	18.00%
Venezuelan bolívar fuerte
Intercompany Foreign Currency Balance [Line Items]
Asset, reporting currency denominated, value | $	$ 85