Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 28, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Indefinite Lived Intangible Assets

Goodwill and other intangible assets were as follows (in thousands):

	June 28, 2019						December 28, 2018
			Intangible						Intangible
	Goodwill		Assets		Total		Goodwill		Assets		Total
Carrying amount	$	166,654	$	190,500	$	357,154	$	150,226	$	193,507	$	343,733

Purchased Intangible Assets

Purchased intangible assets were as follows (in thousands):

	As of June 28, 2019							As of December 28, 2018
	Gross							Gross
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying		Useful
	Amount		Amortization			Value		Amount		Amortization			Value		Life
AIT
Customer relationships	$	19,000	$	(18,808	)	$	192	$	19,000	$	(18,617	)	$	383		7
Tradename		1,900		(1,900	)		—		1,900		(1,900	)		—		6
Intellectual property/know-how		1,600		(1,600	)		—		1,600		(1,486	)		114		7
Thermal
Customer relationships		9,900		(4,373	)		5,527		9,900		(3,877	)		6,023		10
Tradename		1,170		(1,170	)		—		1,170		(1,170	)		—		6
Intellectual property/know-how		12,300		(6,091	)		6,209		12,300		(5,402	)		6,898	8-12
FDS
Customer relationships		8,800		(4,596	)		4,204		8,800		(4,009	)		4,791		7.5
QGT
Customer relationships		74,800		(6,233	)		68,567		74,800		(2,500	)		72,300		10
Tradename		14,900		(3,186	)		11,714		14,900		(1,326	)		13,574		4
Recipes		73,200		(3,050	)		70,150		73,200		(1,220	)		71,980		20
Standard operating procedures		8,600		(358	)		8,242		8,600		(143	)		8,457		20
DMS
Customer relationships		6,900		(192	)		6,708	—		—			—			6
UCT
Tradename		8,987		—			8,987		8,987	—				8,987	*
Total	$	242,057	$	(51,557	)	$	190,500	$	235,157	$	(41,650	)	$	193,507

* The Company concluded that the UCT tradename intangible asset life is indefinite and is therefore not amortized but is reviewed for impairment at least annually and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable.

Future Estimated Amortization Expense

As of June 28, 2019, future estimated amortization expense is expected to be as follows (in thousands):

	Amortization
	Expense
2019 (remaining in year)	$	10,182
2020		19,799
2021		19,559
2022		19,285
2023		14,213
Thereafter		98,475
Total	$	181,513