Getting their foreign exchange rate changes absorbed by the Government.
Its a part of business for any company that trades outwith the confines of its own borders. A natural hazard of business since the day trade started.
What about airlines? Shipbuilders? Car builders? Heavy equipment manufacturers? Any other business you would care to name? Fluctuating exchange rates can affect any business and destroy all profit margins, or deflate individual employees earning if you are working overseas and unprotected from devaluation.