Here are the Iowa numbers if you want to look into it:
workforce.iowa.gov
Roughly 150 full time staff in Iowa let go.
Looks like they are letting some hourly workers go before the end of August in Dubuque.

Worker Adjustment and Retraining Notification Act (WARN)
The Worker Adjustment and Retraining Notification Act (WARN) provides information on recent plant closings and covered mass layoffs in Iowa.
Roughly 150 full time staff in Iowa let go.
Looks like they are letting some hourly workers go before the end of August in Dubuque.