Notes to consolidated financial statements  September 27, 2014 and September 28, 2013 Non-controlling interests Derivative financial instruments Fair value measurements hierarchy Fiscal year (Millions of dollars, unless otherwise indicated) Non-controlIing  interests are generally recognized in equity. However, with respect to its interests in Adonis, Phoenicia  and Première Moisson, the Corporation has the option to buy out the minority interests and the minority shareholders  in these companies have the option to be bought out by the Corporation under certain conditions on the option s’  exercisable dates. Given these options, the non-controlling interests become a financial liability . It is classified as  "Financial  liabilities held for trading" and measured at fair value with gains or losses resulting from the revaluation at the  end  of each period recorded in net earnings or in retained earnings. The Corporation elected to record them in retained  earnings. In accordance with its risk management strategy ,  the Corporation uses derivative financial instruments for hedging  purposes.  On inception of a hedging relationship, the Corporation indicates whether or not it will apply hedge accounting  to the relationship. Should there be any ,  the Corporation formally documents several factors, such as the election to  apply hedge accounting, the hedged item, the hedging item, the risks being hedged and the term over which the relationship is  expected  to  be  ef fective, as well as risk management  objectives  and strategy. The  effectiveness of the hedging relationship is measured at its inception to determine whether it will be highly effective  over the term of the relationship and assessed periodically to ensure that hedge accounting is still appropriate. The  results  of these assessments are formally documented. The  Corporation uses foreign exchange forward contracts to hedge against foreign exchange rate fluctuations in respect  of  future foreign-denominated purchases of goods and services. Given their short-term maturity, the Corporation elected  not to apply hedge accounting to its foreign exchange forward contracts. These derivative financial instruments are  classified  as "Financial assets or liabilities at fair value through net earnings" and measured at fair value with revaluation  at  the end of each  period.  Resulting  gains  or  losses  are recorded in net earnings. Fair value measurements of assets and liabilities recognized at fair value in the consolidated statements of financial  position  or whose fair value is presented in the notes to the financial statements are categorized in accordance with the  following hierarchy: The  Corporation's fiscal year ends on the last Saturday of September. The fiscal years ended September 27, 2014 and  September 28, 2013  included 52  weeks  of operations. • Level 1: quoted  prices  (unadjusted)  in active  markets for  identical assets  or liabilities; • Level 2: inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly  (i.e.,  as prices) or  indirectly  (i.e., derived  from  prices); • Level 3: inputs  for  the asset  or  liability  that  are not based on observable  market  data (unobservable inputs). - 52 -