U.S.-based radiation detection and monitoring company Mirion Technologies Inc.'s reported revenues have been adversely affected by foreign-exchange (FX) headwinds and project deferrals. We expect that the company's credit metrics will remain stretched through 2016, even on a currency neutral basis. Therefore, we are revising our outlook on Mirion Technologies Inc. to negative from stable. At the same time, we are affirming all of our ratings on the company. The negative outlook reflects that we could lower our ratings on Mirion if the company's operating performance weakens and its leverage remains elevated. On Jan. 26, 2016, Standard&Poor's Ratings Services revised its outlook on San Ramon, Calif.-based Mirion Technologies Inc. to negative from stable and affirmed its 'B' corporate credit