This is a late reply, but Deirdre was aware that she was only contracted to do one tour with CW, but her agent wanted them to keep her in it after.
Deirdre was fine with it and continued her solo career, but her agency wasn't happy that CW wouldn't keep her when Meav came back after her maternity leave in 2005.
Oh wow I saw this answer and was interested.
Then upon coming here I was like WHAT
It was me that asked that... So long ago wouldn't remember.
However Thank's for the reply anytime