Share Based Compensation - Summary of Changes in Non-Vested Units Outstanding (Details) - $ / shares		6 Months Ended
	Jul. 11, 2019	Jul. 10, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Non-vested units, Beginning Balance		9,460
Vested, Units	(9,171)	(9,460)
Weighted average fair value per unit, Beginning Balance		$ 182.83
Weighted average fair value per unit, Vested	$ (180.87)	$ (182.83)