Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Income tax benefit	$ 3,558	$ 2,303	$ 3,415	$ 1,615
Effective tax rate	(9.30%)	(11.90%)	(6.20%)	(379.10%)
Foreign tax benefit recognized	$ 8,100		$ 8,100
Deferred tax benefit recognized	7,000		7,000
Income tax benefit due to changes in the valuation allowance			(3,800)	$ 1,500
Foreign Tax Authority [Member]
Net change in reserve for uncertain tax positions	$ 2,700		$ 2,700