Restructuring and Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	$ 481	$ 4,467	$ 1,950	$ 10,942
MOSFETs Enhanced Competitiveness Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	3,324		3,324
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	28	1,110	448	5,025	$ 9,744	$ 5,367	$ 6,025	$ 2,328
Cash paid			(3,356)		(15,686)	(426)	(856)	(267)
Foreign currency translation					2	1
Balance at end of period	$ 3,324		3,324		6,232	12,172	7,230	$ 2,061
Balance at beginning of period			6,232	12,172	12,172	7,230	$ 2,061
Term of restructuring program	2 years
Other Exit Costs			80
MOSFETs Enhanced Competitiveness Program [Member] | Minimum [Member]
Restructuring Reserve [Roll Forward]
Expected Restructuring Costs	$ 24,000		24,000
MOSFETs Enhanced Competitiveness Program [Member] | Maximum [Member]
Restructuring Reserve [Roll Forward]
Expected Restructuring Costs	27,000		27,000
Voluntary Separation/Retirement Program [Member]
Restructuring Reserve [Roll Forward]
Restructuring cost incurred to date	13,373		13,373
Global Cost Reduction Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	2,633		2,633
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	453	3,357	1,502	5,917	9,918	13,753
Cash paid			(4,728)		(16,237)	(986)
Foreign currency translation			237		(34)	(150)
Balance at end of period	$ 3,275		3,275		6,264	$ 12,617
Balance at beginning of period			6,264	12,617	$ 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	13	130	13	578
Global Cost Reduction Program [Member] | Optoelectronic Components Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	242	775	242	953
Global Cost Reduction Program [Member] | Resistors And Inductors Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	84	1,504	935	2,522
Global Cost Reduction Program [Member] | Capacitors Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	85	89	246	423
Global Cost Reduction Program [Member] | Unallocated Amount to Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring and severance costs	$ 29	$ 859	66	$ 1,441
MOSFETs Enhanced Competitiveness Program Extension [Member]
Restructuring Reserve [Roll Forward]
Term of restructuring program	15 months
MOSFETs Enhanced Competitiveness Program Extension [Member] | Minimum [Member]
Restructuring Reserve [Roll Forward]
Expected Restructuring Costs	$ 4,000		4,000
MOSFETs Enhanced Competitiveness Program Extension [Member] | Maximum [Member]
Restructuring Reserve [Roll Forward]
Expected Restructuring Costs	$ 8,000		$ 8,000