Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
	Sep. 23, 2015	Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency, name of plaintiff		Baldwin Hackett & Meeks, Inc.
Loss contingency, damages sought, value	$ 43.8
Loss contingency, damages awarded, value		$ 43.8
Attorney fees and costs		$ 2.7