Remember there are two components - the cost of the people and the cost of the building.
I don’t know what the early termination rules are, but we must be stuck with Islandia for at least a year otherwise they wouldn’t have consolidated post merger. Broadcom will take whatever decision maximizes profit - early termination, sub leasing or just eating the cost.
The number of people will continue to shrink until it goes to zero by 2021 at the latest. We had over 1000 prior to the merger, we’re under 600 now and we’ve not completed shedding the Services folks. That should bring us down to 500, my guess is 200 of those are on transition and will be gone this summer.
Those remaining people better be super profitable and key to the mainframe business...they might be WFH or in a smaller office.