Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Provision for income taxes

The provision for income taxes consists of the following (in thousands):

	Three Months Ended				Nine Months Ended
	September 30, 2017		September 24, 2016		September 30, 2017		September 24, 2016
Provision for income taxes	$	1,756	$	1,332	$	4,492	$	2,568