Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 27, 2019

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 29, 2017	$	170.2		$	52.4		$	—	$	222.6
Business combinations	72.1			—			—		72.1
Foreign currency translation adjustments	(0.2		)	(0.9		)	—		(1.1		)
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 in 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

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:

	September 27, 2019							September 28, 2018
(In millions)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Technologies and patents	$	226.4	$	(85.9	)	$	140.5	$	136.2	$	(72.6	)	$	63.6
Customer contracts, supplier relationships and partner relationships	121.1		(25.7		)	95.4		44.9		(19.1		)	25.8
Trade names	55.1		(3.0		)	52.1		3.4		(1.3		)	2.1
Other	6.1		(6.1		)	—		6.6		(5.8		)	0.8
Total intangible with finite lives	408.7		(120.7		)	288.0		191.1		(98.8		)	92.3
In-process R&D with indefinite lives	12.7		—			12.7		8.8		—			8.8
Total intangible assets	$	421.4	$	(120.7	)	$	300.7	$	199.9	$	(98.8	)	$	101.1

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:

	September 27, 2019							September 28, 2018
(In millions)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Technologies and patents	$	226.4	$	(85.9	)	$	140.5	$	136.2	$	(72.6	)	$	63.6
Customer contracts, supplier relationships and partner relationships	121.1		(25.7		)	95.4		44.9		(19.1		)	25.8
Trade names	55.1		(3.0		)	52.1		3.4		(1.3		)	2.1
Other	6.1		(6.1		)	—		6.6		(5.8		)	0.8
Total intangible with finite lives	408.7		(120.7		)	288.0		191.1		(98.8		)	92.3
In-process R&D with indefinite lives	12.7		—			12.7		8.8		—			8.8
Total intangible assets	$	421.4	$	(120.7	)	$	300.7	$	199.9	$	(98.8	)	$	101.1

Future Amortization of Intangible Assets

As of September 27, 2019, the Company estimates that its remaining amortization expense for intangible assets with finite lives will be as follows (in millions):

Fiscal Years	Total
2020	$	37.0
2021	35.6
2022	33.5
2023	32.7
2024	25.7
Thereafter	123.5
Total remaining amortization	$	288.0