Raw data looks like as it shows in Terminate_date column, My mission is to show only employees who were terminated within 30 days

EMPSTATUS - ...

The datatype of terminate_date is decimal and I convert that to datetime and show as status_date so that I would be able to achieve my requirement but it gives me...

Since I'm also converting the status_date into date format from numeric, it throws the error

"Msg 8115, Level 16, State 2, Line 1

Arithmetic overflow error converting expression to data type...