It adds back such items as amortization and depreciation to net income.Domestic rental and management revenue rose 8 percent to $499.9 million, while international rental and management revenue jumped 36 percent to $239.8 million.For the full year, American Tower Corp. earned $637.3 million, or $1.60 per share, up from $396.5 million, or 99 cents per share, in 2011.