CTS refers to the forward-looking measures of book-to-bill ratio and total booked business in this document. Book-to-bill ratio is the ratio of customer orders received to revenues recorded for the same period. Although the book-to-bill ratio reflects firm customer orders, changes such as terminations, amendments, or contract cancellations may occur which could result in a reduction to the customer orders. Total booked business reflects expected revenue from the remaining life of long-term agreements with t ...