Deferred Management Rights Proceeds - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Oct. 01, 2012	Dec. 31, 2017
Real Estate [Abstract]
Sales price of management rights and intellectual property	$ 210.0
Purchase price to the Management Rights	190.0
Purchase price IP Rights	$ 20.0
Term of management rights for income amortization		65 years