Restructuring and Related Activities (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Restructuring and Related Expenses

The following table summarizes restructuring and related expenses which were recognized and reported on a separate line in the accompanying consolidated condensed statements of operations:

	Fiscal quarter ended
	April 1, 2017
MOSFETs Enhanced Competitiveness Program		$	420
Global Cost Reduction Programs			1,049
Total		$	1,469

MOSFETs Enhanced Competitiveness Program [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the activity to date related to this program:

Expense recorded in 2013	$	2,328
Cash paid		(267	)
Balance at December 31, 2013	$	2,061
Expense recorded in 2014		6,025
Cash paid		(856	)
Balance at December 31, 2014	$	7,230
Expense recorded in 2015		5,367
Cash paid		(426	)
Foreign currency translation		1
Balance at December 31, 2015	$	12,172
Expense recorded in 2016		9,744
Cash paid		(15,686	)
Foreign currency translation		2
Balance at December 31, 2016	$	6,232
Expense recorded in 2017		3,204
Cash paid		(7,173	)
Balance at December 31, 2017	$	2,263
Cash paid		(283	)
Balance at March 31, 2018	$	1,980

Global Cost Reduction Program [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the activity to date related to this program:

Expense recorded in 2015	$	13,753
Cash paid		(986	)
Foreign currency translation		(150	)
Balance at December 31, 2015	$	12,617
Expense recorded in 2016		9,918
Cash paid		(16,237	)
Foreign currency translation		(34	)
Balance at December 31, 2016	$	6,264
Expense recorded in 2017		8,069
Cash paid		(7,168	)
Foreign currency translation		500
Balance at December 31, 2017	$	7,665
Cash paid		(1,027	)
Foreign currency translation		148
Balance at March 31, 2018	$	6,786

Restructuring expenses by segment [Table Text Block]

The following table summarizes the expense recognized by segment related to this program:

	Fiscal quarter ended
	April 1, 2017
Resistors & Inductors	$	851
Capacitors		161
Unallocated Selling, General, and Administrative Expenses		37
Total	$	1,049