Hi Wendy,
When we did the land/sea package last August, our TA called us with the documents about three weeks before we left.
We are going back the first week of March and haven't received them yet. I expect to get a call from my TA at the beginning of February.
The package that we got last summer included the airplane tickets, luggage tags, many coupons for the hotel, the transfers and the cruise itself, as long as a Disney booklet and a shore excursions booklet. I think that it covers it all (hopefully I did not forget anything).
When are you going?