Two (sort of) workarounds:
1. Use Edit > Paste Special (Rich Text Format). However, if you have color-shaded cells, they covert as black fill; in FM, changing the text in those cells to "white" is a workaround to the workaround. :|
2. Copy/Paste the table into Word, Save As the Word to RTF, copy the table in Word then, in FM use Edit > Paste Special (Rich Text Format). Plain text and cell shading converts fine; however, calculated numbers get trashed. Another :|