Goodwill and Intangible Assets, Net (Tables)

6 Months Ended

Apr. 02, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and intangible assets, net consisted of the following components:

	April 2, 2017		October 2, 2016
Amortizable intangible assets
Completed technology	$	706.5	$	572.6
Customer relationships	95.0		118.8
Backlog, trade name and other	—		2.2
	$	801.5	$	693.6
Non-amortizable intangible assets
Goodwill	$	2,483.6	$	2,479.4
In-process research and development	$	41.0	$	241.0

Schedule of Goodwill

A reconciliation of goodwill for the six months ended April 2, 2017 is as follows:

Balance as of October 2, 2016	$	2,479.4
Adjustments from prior acquisitions and divestitures	4.2
Balance as of April 2, 2017	$	2,483.6

Amortization of Intangible Assets

Amortization of intangible assets included in operating expenses is as follows:

	Quarter Ended				Six Months Ended
	April 2, 2017		April 3, 2016		April 2, 2017		April 3, 2016
Completed technology	$	34.5	$	30.3	$	66.2	$	44.6
Customer relationships	11.7		12.0		23.7		23.0
Backlog, trade name and other	0.3		3.0		2.2		3.1
	$	46.5	$	45.3	$	92.1	$	70.7

Estimated Amortization Expense

Estimated amortization expense for amortizable intangible assets in each of the five succeeding years and thereafter is as follows:

Less than 1 Year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		Thereafter
$	178.9	$	148.0	$	134.8	$	133.0	$	117.9	$	88.9