Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 27, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The carrying amounts of goodwill as of March 27, 2022 and December 26, 2021 by reportable segment are as follows (in millions):

	As of March 27, 2022
	KGS		US		Total
Gross value	$	648.3	$	127.9	$	776.2
Less accumulated impairment	239.5		13.8		253.3
Net	$	408.8	$	114.1	$	522.9

	As of December 26, 2021
	KGS		US		Total
Gross value	$	619.3	$	127.9	$	747.2
Less accumulated impairment	239.5		13.8		253.3
Net	$	379.8	$	114.1	$	493.9

Schedule of intangible assets (finite-lived)

The following table sets forth information for finite-lived and indefinite-lived intangible assets (in millions): 

	As of March 27, 2022						As of December 26, 2021
	Gross Value		Accumulated Amortization		Net Value		Gross Value		Accumulated Amortization		Net Value
Acquired finite-lived intangible assets:
Customer relationships	$	79.0	$	(58.2)	$	20.8	$	76.5	$	(57.6)	$	18.9
Contracts and backlog	37.9		(33.8)		4.1		34.9		(33.1)		1.8
Developed technology and technical know-how	34.4		(26.1)		8.3		31.4		(25.8)		5.6
Trade names	4.2		(2.1)		2.1		2.7		(2.0)		0.7
In-process research and development	9.5		(0.2)		9.3		9.5		(0.2)		9.3
Total finite-lived intangible assets	165.0		(120.4)		44.6		155.0		(118.7)		36.3
Indefinite-lived trade names	6.9		—		6.9		6.9		—		6.9
Total intangible assets	$	171.9	$	(120.4)	$	51.5	$	161.9	$	(118.7)	$	43.2

Schedule of intangible assets (indefinite-lived)

The following table sets forth information for finite-lived and indefinite-lived intangible assets (in millions): 

	As of March 27, 2022						As of December 26, 2021
	Gross Value		Accumulated Amortization		Net Value		Gross Value		Accumulated Amortization		Net Value
Acquired finite-lived intangible assets:
Customer relationships	$	79.0	$	(58.2)	$	20.8	$	76.5	$	(57.6)	$	18.9
Contracts and backlog	37.9		(33.8)		4.1		34.9		(33.1)		1.8
Developed technology and technical know-how	34.4		(26.1)		8.3		31.4		(25.8)		5.6
Trade names	4.2		(2.1)		2.1		2.7		(2.0)		0.7
In-process research and development	9.5		(0.2)		9.3		9.5		(0.2)		9.3
Total finite-lived intangible assets	165.0		(120.4)		44.6		155.0		(118.7)		36.3
Indefinite-lived trade names	6.9		—		6.9		6.9		—		6.9
Total intangible assets	$	171.9	$	(120.4)	$	51.5	$	161.9	$	(118.7)	$	43.2