Goodwill and Intangible Assets, Net

3 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

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



	December 31, 2017		October 1, 2017
Amortizable intangible assets
Completed technology	$	660.0	$	670.9
Customer relationships	75.4		73.8
Backlog, trade name and other	2.4		0.6
	$	737.8	$	745.3

Non-amortizable intangible assets
Goodwill	$	2,542.9	$	2,497.3
In-process research and development	$	—	$	7.0

A reconciliation of goodwill for the quarter ended December 31, 2017 is as follows:



Balance as of October 1, 2017	$	2,497.3
Additions from acquisitions	45.6
Balance as of December 31, 2017	$	2,542.9

The increase in goodwill for the quarter ended December 31, 2017 is related primarily to an acquisition completed during the quarter. We completed a preliminary purchase price allocation with regards to this acquisition.

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



	Quarter Ended
	December 31, 2017		January 1, 2017
Completed technology	$	38.5	$	31.7
Customer relationships	4.6		12.0
Backlog, trade name and other	7.2		1.8
	$	50.3	$	45.5

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
$	164.9	$	147.7	$	144.5	$	144.1	$	61.5	$	75.1

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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