Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Sales	$ 175,798	$ 127,399	$ 462,415	$ 354,540
Cost of sales	115,312	84,802	307,872	239,172
Gross profit	60,486	42,597	154,543	115,368
Operating expenses:
Sales and marketing	9,606	6,914	28,142	20,574
Research and development	6,765	5,547	19,019	15,011
General and administrative	11,164	9,061	31,137	25,263
Amortization of purchased intangibles	1,499	697	4,567	2,089
Fair value adjustment of contingent consideration and acquisition-related compensation	0	0	0	1,447
Total operating expenses	29,034	22,219	82,865	64,384
Income from operations	31,452	20,378	71,678	50,984
Other expense, net:
Interest expense	748	602	2,379	1,696
Other expense (income)	180	(181)	380	285
Other expense, net	928	421	2,759	1,981
Income before income taxes	30,524	19,957	68,919	49,003
Provision for income taxes	5,788	3,885	3,919	8,677
Net income	24,736	16,072	65,000	40,326
Less: net income attributable to non-controlling interest	424	0	1,094	0
Net income attributable to FOX stockholders	$ 24,312	$ 16,072	$ 63,906	$ 40,326
Earnings per share:
Basic (in dollars per share)	$ 0.64	$ 0.43	$ 1.69	$ 1.08
Diluted (in dollars per share)	$ 0.62	$ 0.41	$ 1.64	$ 1.04
Weighted average shares used to compute earnings per share:
Basic (in shares)	37,886	37,474	37,743	37,312
Diluted (in shares)	39,052	38,817	38,913	38,700