Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation of Non-Financial Instruments Measured at Fair Value on Nonrecurring Basis (Tables)

9 Months Ended

Sep. 27, 2017

Fair Value Measurements, Nonrecurring [Table Text Block]

The following non-financial instruments were measured at fair value, on a nonrecurring basis, as of and for the thirteen and thirty-nine weeks ended September 27, 2017 and September 28, 2016 (in thousands), reflecting certain property and equipment assets for which an impairment loss was recognized during the corresponding period, as discussed immediately below under "Impairment of Long-Lived Assets":



			Fair Value Measurements at September 27, 2017 Using						Impairment Loss
	Total		Level 1		Level 2		Level 3		Thirteen Weeks Ended September 27, 2017		Thirty-Nine Weeks Ended September 27, 2017
Property and equipment owned, net	$	280	$	—	$	—	$	280	$	15,035	15,480



			Fair Value Measurements at September 28, 2016 Using						Impairment Loss
	Total		Level 1		Level 2		Level 3		Thirteen Weeks Ended September 28, 2016		Thirty-Nine Weeks Ended September 28, 2016
Property and equipment owned, net	$	—	$	—	$	—	$	—	$	2,508	2,508