text: In addition, our U.S. operations incurred certain expenditures denominated in Canadian Dollars and our Canadian operations incurred certain 
  expenditures denominated in U.S. Dollars. This activity results in transaction gains and losses that arise from exchange rate fluctuations and 
  are recorded as gains or losses in the Consolidated Statements of Earnings in Item 8: Financial Statements and Supplementary Data. As of 
  January 31, 2015, activities associated with foreign currency exchange risk have not had a material impact on our consolidated financial 
  statements. 