Income Taxes (Tables)

3 Months Ended

Feb. 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:

	Three Months Ended
	February 27, 2016		February 28, 2015
Unrecognized tax benefits at beginning of year	$	3,859	$	2,487
Additions for current period tax positions	144		175
Changes in interest and penalties	34		19
Unrecognized tax benefits at end of period	$	4,037	$	2,681