The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.
Companies should report their financial performance in their annual financial reports, and these are the best places to find this information.
For companies that file with the SEC, this information can be found within their "Form 10-K" filings. You can often find these documents by searching for "Company 10-k", or they can be found through the SEC's EDGAR search