Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 28, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes the activity in the carrying amount of goodwill for fiscal years 2019 and 2018 (in thousands):



Balance as of December 30, 2017	$	121,440
Purchase accounting adjustments	830
Effect of foreign currency translation	(3,374		)
Balance as of December 29, 2018	118,896
Acquisition	2,050
Effect of foreign currency translation	(2,214		)
Balance as of December 28, 2019	$	118,732

Other intangible assets

Intangible assets consisted of the following (in thousands):



	December 28, 2019						December 29, 2018
	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Completed technology	$	28,100	$	24,605	$	3,495	$	26,900	$	21,607	$	5,293
Tradename	100		100		—		100		100		—
Customer relationships	11,095		2,302		8,793		11,291		1,365		9,926
Reacquired distribution rights	31,680		31,680		—		32,499		23,598		8,901
Non-competition agreements	256		192		64		263		110		153
Total	$	71,231	$	58,879	$	12,352	$	71,053	$	46,780	$	24,273

Estimated future amortization expense related to current intangible assets

The estimated future amortization expense related to current intangible assets in each of the five succeeding fiscal years is expected to be as follows (in thousands):



	Cost of Revenue		Operating Expenses		Total
2020	$	1,140	$	1,000	$	2,140
2021	1,140		781		1,921
2022	915		781		1,696
2023	240		781		1,021
2024	60		781		841
Thereafter	—		4,733		4,733
Total	$	3,495	$	8,857	$	12,352