Commitments and Contingencies Commitments and Contingencies (Details)			12 Months Ended		0 Months Ended			12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)	Dec. 31, 2013 Roxarsone (3-Nitro) plaintiffs claims	Dec. 31, 2013 PregSure claims	Aug. 13, 2013 Ulianopolis, Brazil plaintiffs defendant	Feb. 29, 2012 Ulianopolis, Brazil defendant	Dec. 31, 2013 Mary Green Roxarsone (3-Nitro) claims	Dec. 31, 2012 Other Fixed Assets USD ($)	Dec. 31, 2012 Other Fixed Assets BRL	Dec. 31, 2012 Land, Buildings and Improvements USD ($)	Dec. 31, 2012 Land, Buildings and Improvements BRL
Loss Contingencies [Line Items]
Operating Leases, Rent Expense								$ 400,000	752,459	$ 200,000	479,977
Number of claims seeking damages			9	200		6	1
Number of plaintiffs			140		30
Number of claims settled				20
Number of additional defendants					57	5
Loss Contingency Accrual, Period Increase (Decrease)	$ 14,000,000	€ 11,000,000