foreign currency impacts. These foreign currency impacts were driven by a year-over-year increase in foreign currency net losses, arising from certain Euro/U.S. Dollar foreign currency hedges and the re-measurement of monetary assets and liabilities in various non-functional currencies, net of related undesignated forward instruments, as a variety of foreign currencies weakened against the U.S. Dollar year-over-year. The above impacts were partially offset by a slight decrease in centrally managed operating overhead expenses. 

Foreign Currency Exposures and Hedging Practices 

Overview 

As a global company with significant operations outside the United States, in the normal course of business we are exposed to risk arising from changes in currency exchange rates. Our primary foreign currency exposures arise from the recording of transactions denominated in non-functional currencies and the translation of foreign currency denominated results of operations, financial position and cash flows into U.S. Dollars. 

Our foreign exchange risk management program is intended to lessen both the positive and negative effects of currency fluctuations on our consolidated results of operations, financial position and cash flows. We manage global foreign exchange risk centrally on a portfolio basis to address those risks that are material to NIKE, Inc. We manage these exposures by taking advantage of natural offsets and currency correlations that exist within the portfolio and where practical and material, by hedging a portion of the remaining exposures using derivative instruments such as forward contracts and options. As described below, the implementation of the NIKE Trading Company (“NTC”) and our foreign currency adjustment program enhanced our ability to manage our foreign exchange risk by increasing the natural offsets and currency correlation benefits that exist within our portfolio of foreign exchange exposures. Our hedging policy is designed to partially or entirely offset the impact of exchange rate changes on the underlying net exposures being hedged. Where exposures are hedged, our program has the effect of delaying the impact of exchange rate movements on our consolidated financial statements; the length of the delay is dependent upon hedge horizons. We do not hold or issue derivative instruments for trading or speculative purposes. 

Transactional exposures 

We conduct business in various currencies and have transactions which subject us to foreign currency risk. Our most significant transactional foreign currency exposures are: 

Product Costs — NIKE’s product costs are exposed to fluctuations in foreign currencies in the following ways: 

Product purchases denominated in currencies other than the functional currency of the transacting entity: 

Certain NIKE entities purchase product from the NTC, a wholly- owned sourcing hub that buys NIKE branded products from third party factories, predominantly in U.S. Dollars. The NTC, whose functional currency is the U.S. Dollar, then sells the products to NIKE entities in their respective functional currencies. When the NTC sells to a NIKE entity with a different functional currency, the result is