` ` American Idol '' and ` ` X Factor '' are the No . 1 network 's most important shows . `` Idol '' typically only dropped about 10-12 percent each season despite its age , often returned better than most industry observers expected . Fox executive on ` ` Factor '' : ` ` There definitely will be lots of different changes in the show '' Fox executive on ` ` Factor '' : ` ` You never want to change the core of the show ''
` ` American Idol '' and ` ` X Factor '' are the No . 1 network 's most important shows . Fox executive on ` ` Factor '' : ` ` There definitely will be lots of different changes in the show '' Fox executive on ` ` Factor '' : ` ` You never want to change the core of the show ''