Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2020	Mar. 29, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 8,738	$ 18,402
Other comprehensive loss
Foreign currency translation adjustments, net of tax effects	(940)	(159)
Other comprehensive loss	(940)	(159)
Comprehensive income	7,798	18,243
Less: comprehensive income attributable to non-controlling interest	488	299
Comprehensive income attributable to FOX stockholders	$ 7,310	$ 17,944