Impairment Of Long-Lived Assets And Other Lease Charges Closed Restaurant Reserve Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015	Jan. 03, 2016
Restructuring Reserve [Roll Forward]
Closed-restaurant reserve, beginning of the period			$ 2,088	$ 1,721	$ 1,721
Provisions for restaurant closures		$ 300	0	$ 1,500	1,472
Changes in estimates of accrued costs	$ (200)		(210)		(95)
Payments, net			(306)		(1,228)
Other adjustments, including the effect of discounting future obligations			80		218
Closed-restaurant reserve, end of the period	$ 1,652		$ 1,652		$ 2,088