(in millions of US dollars except share and per-share amounts)
24. Interest Expense
| 2007 | 2006 | 2005 | ||||
| Interest expense on | ||||||
Short-term debt |
$ | 8.7 | $ | 34.5 | $ | 7.0 |
Long-term debt |
111.6 | 97.6 | 94.1 | |||
| Interest capitalized to property, plant and equipment | (21.8) | (19.1) | (5.7) | |||
| Interest income | (29.8) | (27.4) | (13.1) | |||
| $ | 68.7 | $ | 85.6 | $ | 82.3 | |




