During the three months ended January 31, 2012, the Company changed the name of its Engineering segment to Facility Solutions to better reflect the variety of end-to-end integrated facility services, building operation and maintenance, and bundled energy solution services provided to its clients. The Company is organized into four reportable operating segments, Janitorial, Facility Solutions, Parking and Security, which are summarized as follows:

Most Corporate expenses are not allocated. Such expenses generally include current actuarial developments of self-insurance reserves relating to claims incurred in prior years, certain legal costs and settlements, certain information technology costs, share-based compensation costs, branding initiative costs, direct acquisition costs, severance costs associated with acquisitions, and certain chief executive officer and other finance and human resource department costs.