Direct deposits for the December 27, 2013 pay will be handled like they always are and available in your bank account first thing Friday morning. However, paper paychecks for 12/27/13 will be mailed to employees via US postal mail and not delivered to your department for distribution.
Remember that enrollment in direct deposit is available to you on Self-Service. Just sign in to Self-Service, click on Employee tab, then Pay Information, and Direct Deposit Allocation. For direct deposit of the December 27th pay, enrollment should be completed prior to Friday, December 20th.