Goodwill and Intangible Assets

9 Months Ended

Sep. 25, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

5. Goodwill and Intangible Assets

Goodwill

Goodwill included the following:

(in thousands)	September 25, 2021		December 26, 2020
Balance at beginning of period	$	91,080	$	74,458
Goodwill acquired		108,946		16,622
Balance at end of period	$	200,026	$	91,080

Intangible Assets

Intangible assets included the following:

	September 25, 2021						December 26, 2020
Intangible assets subject to amortization	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
(in thousands)
Customer relationships	$	149,150	$	9,140	$	140,010	$	25,050	$	7,141	$	17,909
Trade names		17,760		2,075		15,685		6,760		1,585		5,175
Product Portfolio		25,300		42		25,258		—		—		—
Technology		2,167		508		1,659		2,167		323		1,844
Other		430		215		215		430		151		279
Total	$	194,807	$	11,980	$	182,827	$	34,407	$	9,200	$	25,207

Amortization expense was $1.2 million and $0.8 million during the three months ended September 25, 2021 and September 26, 2020, respectively, and $2.9 million and $2.5 million during the nine months ended September 25, 2021 and September 26, 2020, respectively.