Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 02, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Activity of Goodwill by Reportable Operating Segment

The following table reflects the activity of goodwill by reportable operating segment:

(In millions)	Oncology Systems		Proton Solutions		Other		Total
Balance at September 28, 2018	$	242.1	$	51.5	$	—	$	293.6
Business combinations	208.0		—		164.3		372.3
Impairment charges	—		(50.5)		—		(50.5)
Measurement period adjustment to a business combination prior year	(2.2)		—		—		(2.2)
Foreign currency translation adjustments	—		(1.0)		—		(1.0)
Balance at September 27, 2019	447.9		—		164.3		612.2
Business combinations	15.7		—		—		15.7
Measurement period adjustment to a business combination in prior year	(5.6)		—		3.8		(1.8)
Foreign currency translation adjustments	(3.3)		—		1.1		(2.2)
Balance at October 2, 2020	$	454.7	$	—	$	169.2	$	623.9

Gross Carrying Amount and Accumulated Amortization of Finite-Lived Intangible Assets

The following table reflects the gross carrying amount and accumulated amortization of the Company’s intangible assets, net:

	October 2, 2020						September 27, 2019
(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Technologies and patents	$	228.0	$	(110.9)	$	117.1	$	226.4	$	(85.9)	$	140.5
Customer contracts, supplier relationships and partner relationships	128.9		(34.7)		94.2		121.1		(25.7)		95.4
Trade names	53.0		(7.0)		46.0		55.1		(3.0)		52.1
Other	7.8		(6.1)		1.7		6.1		(6.1)		—
Total intangible with finite lives	417.7		(158.7)		259.0		408.7		(120.7)		288.0
In-process R&D with indefinite lives	12.3		—		12.3		12.7		—		12.7
Total intangible assets	$	430.0	$	(158.7)	$	271.3	$	421.4	$	(120.7)	$	300.7

Carrying Amount of Indefinite-Lived Intangible Assets

The following table reflects the gross carrying amount and accumulated amortization of the Company’s intangible assets, net:

	October 2, 2020						September 27, 2019
(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Technologies and patents	$	228.0	$	(110.9)	$	117.1	$	226.4	$	(85.9)	$	140.5
Customer contracts, supplier relationships and partner relationships	128.9		(34.7)		94.2		121.1		(25.7)		95.4
Trade names	53.0		(7.0)		46.0		55.1		(3.0)		52.1
Other	7.8		(6.1)		1.7		6.1		(6.1)		—
Total intangible with finite lives	417.7		(158.7)		259.0		408.7		(120.7)		288.0
In-process R&D with indefinite lives	12.3		—		12.3		12.7		—		12.7
Total intangible assets	$	430.0	$	(158.7)	$	271.3	$	421.4	$	(120.7)	$	300.7

Future Amortization of Intangible Assets

As of October 2, 2020, the Company estimates that its remaining amortization expense for intangible assets with finite lives will be as follows (in millions):

Fiscal Years	Total
2021	$	37.3
2022	35.9
2023	34.7
2024	27.0
2025	22.5
Thereafter	101.6
Total remaining amortization	$	259.0