Restructuring and Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	$ 4,467	$ 5,660	$ 10,942	$ 7,070
Global Cost Reduction Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	7,927		7,927
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	3,357	4,701	5,917	4,701	$ 13,753
Cash paid			(7,972)		(986)
Foreign currency translation			(160)		(150)
Balance at end of period	$ 10,402		10,402		12,617
Balance at beginning of period			12,617
Term of restructuring program	27 months
Expected Restructuring Costs	$ 30,000		30,000
Global Cost Reduction Program [Member] | Diodes Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs			578
Global Cost Reduction Program [Member] | Optoelectronic Components Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs			953
Global Cost Reduction Program [Member] | Resistors And Inductors Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs			2,522
Global Cost Reduction Program [Member] | Capacitors Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs			423
Global Cost Reduction Program [Member] | Unallocated Amount to Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs			1,441
MOSFETs Enhanced Competitiveness Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	6,873		6,873
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	1,110	939	5,025	2,292	5,367	$ 6,025	$ 2,328
Cash paid			(10,327)		(426)	(856)	(267)
Foreign currency translation			3		1
Balance at end of period	$ 6,873		6,873		12,172	7,230	2,061
Balance at beginning of period			12,172	7,230	7,230	2,061
Term of restructuring program	2 years
Other Exit Costs			4,352
Voluntary Separation/Retirement Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	$ 744		744
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	0	20	0	77	95	12,792	486
Cash paid			(621)		(3,166)	(8,054)	(98)
Foreign currency translation			20		(258)	(455)	3
Balance at end of period	744		744		1,345	4,674	$ 391
Balance at beginning of period			1,345	4,674	4,674	391
Modules Product Transfer [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	660		660
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	0	$ 0	0	0		2,080
Cash paid			(10)		(718)	(464)
Foreign currency translation			13		(120)	(121)
Balance at end of period	$ 660		660		657	$ 1,495
Balance at beginning of period			$ 657	$ 1,495	$ 1,495