I'm assuming there will be a hearing? Ask for clarification during the hearing. There is a base amount, and then add ons, i.e. daycare, health insurance. Ask for clarification on the base amount, is this based on each parent carrying their own expenses during their individual parenting time, does this include school lunches, clothes, etc. You may want to ask for clarification on clothes as well; if it's 50/50, it would make sense for each household to have adequate clothing for the children, and the child only goes back and forth with the clothes they wear instead of packing a bag. But, just because it makes sense, doesn't mean you and ex will be on the same page. If a judge clarifies it, you have a point of reference, and it'll cut down on arguments. After the judge clarifies, ask to have it included in the order for future reference.
Also, I would advise you to address medical. Will each parent bear the expense during their time, or will you reimburse each other, based on income. If so, how will you address medical expenses you consider voluntary or unneccessary. We have a poster on the stepfamily board whose dh was nickeled and dimed into chiropracter expenses that didn't seem to serve any purpose, other than to drive the cost to the other parent up.
How about extra-curricular activities? Does the parent who decides on the activity bear the cost, even if part of the acticity takes place on the other parent's time? Or do you split it, according to income (and if so - try to find a reasonable limit to activities and a cap for cost... you don't want to set yourself up to pay a portion of 10 different activities a month...).
Bottomline, try to address as many potential issues as you can during that hearing, and ask for clarification from the judge. It will keep down disagreements and future trips to court later on. And again, request that the judge put his clarifications down on paper.