Income Taxes (Tables)

6 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of income before income tax

The Company reported the following operating results for the periods presented (in thousands):

	Three months ended						Six months ended
	June 30, 2017			July 1, 2016			June 30, 2017			July 1, 2016
Loss before income taxes	$	(30,921	)	$	(20,437	)	$	(55,180	)	$	(45,099	)
Provision for income taxes	579			242			347			760
Effective income tax rate	(1.9		)%	(1.2		)%	(0.6		)%	(1.7		)%