Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 29, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The amounts for goodwill and changes in the carrying value by segment are as follows:



(in thousands)	Electronics			Automotive			Industrial			Total
As of December 31, 2016	$	215,765		$	144,585		$	43,194		$	403,544
Additions^(a)	36,716			—			—			36,716
Foreign currency translation and other adjustments^(b)	26,478			(8,756		)	(4,568		)	13,154
As of December 30, 2017	$	278,959		$	135,829		$	38,626		$	453,414
Additions^(c)	382,903			—			—			382,903
Foreign currency translation adjustments	(5,823		)	(3,497		)	(282		)	(9,602		)
As of December 29, 2018	$	656,039		$	132,332		$	38,344		$	826,715

(a)The 2017 additions resulted from the acquisitions of U.S. Sensor and Monolith.

(b)Adjustments in 2017 reflect adjustments to reclass goodwill by segment as well as the impact of changes in foreign exchange rates. The impact of the reclassification was an increase in goodwill to the Electronics segment of $21.6 million and a decrease of goodwill of $16.8 million and $4.8 million to the Automotive segment and the Industrial segment, respectively.

(c)The 2018 additions resulted primarily from the acquisition of IXYS.

Schedule of Finite-Lived Intangible Assets

During the years ended December 29, 2018 and December 30, 2017, the Company recorded additions to other intangible assets of $212.7 million and $11.0 million, respectively, for acquisitions during those years, the components of which were as follows:



	2018			2017
(in thousands, except weighted average useful life)	Weighted Average Useful Life (Years)	Amount		Weighted Average Useful Life (Years)	Amount
Patents, licenses and software	8.0	$	51,500	9.6	$	7,810
Customer relationships, trademarks, and tradenames	17.2	148,800		9.0	3,220
Order backlog	1.0	12,420		0.0	—
Total		$	212,720		$	11,030

The components of other intangible assets at December 29, 2018 and December 30, 2017 are as follows:



	As of December 29, 2018
(in thousands, except weighted average useful life)	Weighted Average Useful Life (Years)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Patents, licenses and software	11.4	$	139,413	$	69,431	$	69,982
Distribution network	12.6	43,876		34,564		9,312
Customer relationships, trademarks,tradenames, and other	17.5	374,246		92,066		282,180
Total		$	557,535	$	196,061	$	361,474



	As of December 30, 2017
(in thousands, except weighted average useful life)	Weighted Average Useful Life (Years)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Patents, licenses and software	11.4	$	141,520	$	59,609	$	81,911
Distribution network	12.1	46,233		33,361		12,872
Customer relationships, trademarks, and tradenames	15.6	162,679		53,612		109,067
Total		$	350,432	$	146,582	$	203,850

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated annual amortization expense related to intangible assets with definite lives at December 29, 2018 is as follows:



(in thousands)	Amount
2019	$	39,440
2020	39,162
2021	37,164
2022	36,368
2023	31,906
2024 and thereafter	177,434
Total	$	361,474