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## Property, Plants and Equipment 

## Facilities 

We lease land and buildings for our executive offices, sales, marketing, administrative, development and support centers. We lease an aggregate of approximately 3.0 million square feet worldwide, including significant leases in the United States, Israel, Canada, Cyprus, India and the United Kingdom. Our aggregate annual lease costs with respect to our properties as of October 31, 2013, including maintenance and other related costs, were approximately $54 million. The following table summarizes information with respect to the principal facilities leased by us and our subsidiaries as of October 31, 2013: 

<img src='content_image/159948.jpg'>

(*) Includes space sublet to third parties. 

Our leases expire on various dates from calendar years 2013 through 2028, not including various options to terminate or extend lease terms. 

## Equipment 

We develop our customer experience systems over a system of UNIX, Linux and Windows servers owned or leased by us. We use a variety of software products in our development centers, including products by 

