text: 1 Before deducting any decrease in fair value arising from purchase accounting and 
  deferred transaction costs. 
  
  2 Includes current and long-term portions. 
  3 Adjusted net debt is a non-GAAP measure and should not be considered as a 
  substitute or alternative for GAAP measures. This is not a defined term under IFRS, 
  and does not have a standard meaning, so may not be a reliable way to compare us 
  to other companies. See “Non-GAAP Measures” for information about this measure, 
  including how we calculate it. 