Income Taxes (Tables)

6 Months Ended

May 28, 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:

	Six Months Ended
	May 28, 2016		May 30, 2015
Unrecognized tax benefits at beginning of year	$	3,859	$	2,487
Additions for current period tax positions	636		284
Additions related to acquired tax positions	—		1,052
Changes in interest and penalties	86		99
Unrecognized tax benefits at end of period	$	4,581	$	3,922