The way these things work is each part of the deal is another slice of the pie. If there are costs involved, they are exchanged for distribution rights. It's very doubtful that rights holders would give away an ownership stake to a distributor. However they might give the distributor an exclusive in a certain area for a specified period of time. In this case, that would be physical media in the UK. There is no reason to give a company that sells DVDs and blu-rays broadcast rights. They wouldn't even use them. Unless someone knows the terms of the contracts, its safe to assume that whoever owns the show still owns it, and they also own the rights to the restoration of the show they own. They can broadcast those new masters however they want... and I bet once a deal is in place for physical media in the US, you'll see the streaming copies (i.e. Netflix) upgraded too. Broadcast drives the sales of physical media.