Creator and lead judge Nigel Lythgoe subsequently expressed uncertainty about when the show's seventh season would air.
"I still don't know if [Season 7] is going be in the summer or in the fall next year," he told E! News in late December.
Last month, Fox and Simon Cowell confirmed a deal that will have him leaving American Idol after its currently-airing ninth season to focus on launching an American edition of his British The X Factor reality competition series for the network in Fall 2011.
Interested So You Think You Can Dance applicants must be between 18- and 30-years-old on the day they register for auditions and are required to be either a U.S. citizen, legal permanent resident of the U.S., or possess a current legal Employment Authorization Card enabling him/her to seek employment freely in the U.S..