I expect that this was arranged and contracted for prior to the acquisition of McIntosh; for the president to stay on a year to help with a smooth transition and then leaving with a large payout. Pretty much one of the normal ways these things go.
Changing Of The Guard at McIntosh
From Charlie Randall:
"As we approach the one-year anniversary of Bose’s acquisition, I have made the decision together with the Bose team to step down as President of McIntosh in November."