The U.S. Immigration and Customs Enforcement office in Omaha announced Thursday it had received a final restitution check of $883,675 from Iowa egg producer Austin "Jack" DeCoster after his guilty plea in 2003 for aiding and abetting the hiring of undocumented workers.

DeCoster has paid the federal government more than $2.1 million after his plea agreement in U.S. District Court. DeCoster's operations were investigated by federal immigration agents, who found more than 100 undocumented workers at DeCoster's egg farms.

DeCoster also was charged with several immigration violations. His fine and forfeiture handed down by a federal judge are the largest against an Iowa or Nebraska employer as part of an immigration investigation.

As part of his plea agreement, DeCoster's businesses in Iowa remain part of a five-year compliance program that allows Immigration and Custom Enforcement officers access to personnel records and the right to make unnannounced inspections at DeCoster's facilities.