Commitments and Contingencies (Narratives) (Details) - Dec. 31, 2018 R$ in Millions	USD ($)	BRL (R$)
Foreign | Secretariat of the Federal Revenue Bureau of Brazil
Loss Contingencies [Line Items]
Value of tax credits disallowed	$ 800,000	R$ 3.4
Penalties, court costs, attorneys' fees, and accrued interest	4,800,000	19.6
Tax liability related to the ICMS Tax Assessments, accrued	2,300,000	R$ 9.4
Inventory Purchase Commitments
Loss Contingencies [Line Items]
Purchase commitments	172,600,000
Software and New Product Support Services Commitments
Loss Contingencies [Line Items]
Purchase commitments	$ 111,600,000