GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Dec. 28, 2018

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			Total
Balance at September 28, 2018	$	242.1		$	51.5		$	293.6
Business combination	22.5			—			22.5
Measurement period adjustment to a business combination in prior year	(4.7		)	—			(4.7		)
Foreign currency translation adjustments	—			(0.7		)	(0.7		)
Balance at December 28, 2018	$	259.9		$	50.8		$	310.7

Schedule of Indefinite-Lived Intangible Assets

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

	December 28, 2018							September 28, 2018
(In millions)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Technologies and patents	$	141.6	$	(77.2	)	$	64.4	$	139.6	$	(73.9	)	$	65.7
Customer contracts and supplier relationship	44.4		(20.6		)	23.8		44.9		(19.1		)	25.8
Other	6.1		(5.8		)	0.3		6.6		(5.8		)	0.8
Total intangible with finite lives	192.1		(103.6		)	88.5		191.1		(98.8		)	92.3
In-process research and development with indefinite lives	8.8		—			8.8		8.8		—			8.8
Total intangible assets	$	200.9	$	(103.6	)	$	97.3	$	199.9	$	(98.8	)	$	101.1

Gross Carrying Amount and Accumulated Amortization of Intangible Assets

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

	December 28, 2018							September 28, 2018
(In millions)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Technologies and patents	$	141.6	$	(77.2	)	$	64.4	$	139.6	$	(73.9	)	$	65.7
Customer contracts and supplier relationship	44.4		(20.6		)	23.8		44.9		(19.1		)	25.8
Other	6.1		(5.8		)	0.3		6.6		(5.8		)	0.8
Total intangible with finite lives	192.1		(103.6		)	88.5		191.1		(98.8		)	92.3
In-process research and development with indefinite lives	8.8		—			8.8		8.8		—			8.8
Total intangible assets	$	200.9	$	(103.6	)	$	97.3	$	199.9	$	(98.8	)	$	101.1

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of December 28, 2018, the Company estimates its remaining amortization expense for intangible assets with finite lives will be as follows (in millions):

Fiscal Years:	Remaining Amortization Expense
Remainder of 2019	$	16.3
2020	19.3
2021	15.5
2022	14.1
2023	13.3
Thereafter	10.0
Total remaining amortization for intangible assets	$	88.5