The general gist of the PWC report should have been enough. The breakdown may have included too much detailed information for the public domain.
This....
Such a report would have included a lot of commercially sensative information, which is why BASSA were asked to sign a non-disclouser agreement, which they refused.
Rival airlines will pay a lot of money to accountants to simply speculate as to the financial details of their competition, the very idea that BA would make anything other than a general overview publicially available simply isnt an option. - For all the right reasons.