Income Taxes (Tables)

9 Months Ended

Aug. 27, 2016

Income Tax Disclosure [Abstract]

Summary of income tax contingencies

The following is a reconciliation of the beginning and ending amounts of gross unrecognized tax benefits for uncertain tax positions, including positions which impact only the timing of tax benefits:

	Nine Months Ended
	August 27, 2016			August 29, 2015
Unrecognized tax benefits at beginning of year	$	3,859		$	2,487
Additions for current period tax positions	757			395
Additions related to acquired tax positions	—			1,052
Reductions for prior period tax positions	—			(22		)
Reductions for lapse of statue of limitations / settlements	(28		)	(33		)
Changes in interest and penalties	109			68
Unrecognized tax benefits at end of period	$	4,697		$	3,947