Just to clarify, the Conservative party's fiscal record is quite poor. I think this article lays it out well:
No matter how you add it up, Harper?s fiscal record is a catastrophe
The below link is also useful. The Conservatives inherited a surplus of $13.8b when they took over in 2006. Since then, they have racked up approximately $160b in deficits cumulatively.
http://www.cbc.ca/news2/interactives/canada-deficit/
Kev