Either he gives them double the amount he stole back, or he has a list of people he needs to visit that "owe the gangs money (though they may not actually owe money)".
man, there's a bit I wrote for my next book that sounds like what Remy would say to Rogue. "I didn't want you involved in this because it was going to be so dirty, and I didn't want you to be touched by that side of my life."