This excerpt taken from the SNPS 8-K filed Mar 29, 2006.
A. Annual Bookings Bonus:
Annual Bookings Bonus is paid at year-end based on FY06 Worldwide Bookings Quota achievement, according to the FY06 Sales Commission & Bonus Policy and the current Synopsys Sales Order Acceptance Policy. In addition to the standard payout rates listed, additional points may be awarded for Bookings achievement above quota for attaining 100% or more of the FY06 Annual Revenue Target and FY07 Deferred Revenue Target.