At the time, the average female worker earned just 60 percent of the wage compared to their male co-workers.

FORBES: It's About Equal Pay, Not Binders And Opportunity

In the summer of 2001, a few members of the non-unionized workforce asked management for information about the wage per hour earned by the average worker.

FORBES: Will You Be More Productive If You Know How Your Pay Compares With Your Colleagues'?