At the time of the transaction, St Andrews had $7.3m on its balance sheet which comes with the business. This is not a secret, it's all in the presentation... you just need to look.
I agree with ReXXar that this is an amazing deal. It does look too good to be true, but from BOQ's perspective it makes sense. The ongoing reputational damage and ongoing management time it would take up to manage this is too much hassle when it is not their core business. They are very motivated sellers.