The department store company Macy’s delayed its complete quarterly results release after finding out one of their employees “intentionally” hid approximately $154 million of expenses over a few years.

An internal investigation revealed that a single employee intentionally concealed these expenses over nearly three years.

Macy’s reported stronger-than-expected sales for the third quarter and said it’s delaying the release of its full quarterly results after it discovered an employee intentionally hid up to $154 million of expenses over several years.