Capital Expenditures is the amount of cash spent on purchases of property, plant and equipment in the period. Generally, a higher number is desired because it can indicate that the company is investing capital for future growth. To calculate per share value it is divided by the fully-diluted (where available) average shares outstanding for the same period
Formula
CapEx: Straight from filing Line-Item
CapExPS: CapeEx / SharesFD
NOTE: CapitalIQ specifically excludes property, plant and equipment from acquisitions from this line.