INTANGIBLE ASSETS AND GOODWILL

12 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Acquired intangible assets are amortized over their estimated useful lives, which generally range from one to eight years. In estimating the useful lives of intangible assets, we considered the following factors:


•	The cash flow projections used to estimate the useful lives of the intangible assets showed a trend of growth that was expected to continue for an extended period of time;


•	Our tape automation products, disk backup systems and scale-out storage solutions, in particular, have long development cycles; these products have experienced long product life cycles; and


•	Our ability to leverage core technology into data protection and scale-out storage solutions and, therefore, to extend the lives of these technologies.

Acquired IPR&D is amortized over its estimated useful life once technological feasibility is reached. If IPR&D is determined to not have technological feasibility or is abandoned, we write off the IPR&D in that period.

Following is the weighted average amortization period for our amortizable intangible assets:



	Amortization (Years)
Purchased technology	6.3
Trademarks	6.0
Customer lists	8.2
All intangible assets	6.8

Intangible amortization within our Consolidated Statements of Operations for the years ended March 31, 2016, 2015 and 2014 is provided in the table below (in thousands):



	For the year ended March 31,
	2016		2015		2014
Purchased technology	$	280	$	913	$	1,476
Customer lists	—		2,784		7,426
	$	280	$	3,697	$	8,902

The following table provides a summary of the carrying value of intangible assets (in thousands):



	As of March 31,
	2016							2015
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Purchased technology	$	178,292	$	(177,841	)	$	451	$	179,992	$	(179,261	)	$	731
Trademarks	3,900		(3,900		)	—		3,900		(3,900		)	—
Customer lists	64,701		(64,701		)	—		66,219		(66,219		)	—
	$	246,893	$	(246,442	)	$	451	$	250,111	$	(249,380	)	$	731

The total expected future amortization related to amortizable intangible assets is provided in the table below (in thousands):



	Amortization
Fiscal 2017	$	175
Fiscal 2018	138
Fiscal 2019	103
Fiscal 2020	35
Total as of March 31, 2016	$	451

We evaluate our amortizable intangible and other long-lived assets for impairment whenever indicators of impairment exist and concluded the carrying amount of our long-lived assets was recoverable and there was no impairment in fiscal 2016, 2015 and 2014. In fiscal 2016 and fiscal 2015, we retired $3.2 million and $9.8 million, respectively, of fully amortized intangible assets related to prior acquisitions.

Goodwill

The following provides a summary of activity relating to the carrying value of goodwill (in thousands):



	Goodwill		Accumulated Impairment Losses			Net Amount
Balance as of March 31, 2015 and March 31, 2014	$	394,613	$	(339,000	)	$	55,613
Impairment charges	—		(55,613		)	(55,613		)
Balance as of March 31, 2016	$	394,613	$	(394,613	)	$	—

We evaluate goodwill for impairment annually during the fourth quarter of our fiscal year, or more frequently when indicators of impairment exist. Because we have negative book value, we perform a qualitative analysis to determine whether it is more likely than not that the fair value of goodwill is less than its carrying amount. During the fourth quarter of fiscal 2016, our stock price dropped to a low closing price of $0.44 per share, down from $0.93 per share at December 31, 2015. As a result, during the fourth quarter of fiscal 2016 we determined it was more likely than not that the fair value of our goodwill is less than its carrying amount and performed a second step to quantify the amount of goodwill impairment.

We determined the fair value of our single reporting unit using the income approach derived from a discounted cash flow methodology and other valuation techniques, as well as necessary estimates and assumptions about the future to determine fair value. We allocated the fair value of our single reporting unit to all tangible and intangible assets and liabilities in a hypothetical sale transaction to determine the implied fair value of our goodwill. After performing our analysis, we determined our goodwill was impaired and recorded an impairment charge of $55.6 million in fiscal 2016.

Inherent in the development of our cash flow projections using the income approach are assumptions and estimates derived from a review of our operating results, approved business plans, expected growth, cost of capital and income tax rates. We also made certain assumptions about future economic conditions, applicable interest rates and other market data. Many of the factors used in assessing fair value are outside of our control. Future period results could differ from these estimates and assumptions, which could materially affect the determination of fair value of the company and future amounts of potential impairment. The following significant assumptions were used to determine fair value under the income approach: expected future revenue growth; operating profit margins; working capital levels; asset lives used to generate future cash flows; a discount rate; a terminal value multiple; an income tax rate; and utilization of net operating loss carryforwards.

Our annual impairment evaluation for goodwill in the fourth quarters of fiscal 2015 and 2014 did not indicate any impairment of our goodwill in fiscal 2015 and 2014.

- 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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