Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

The gross carrying amount of goodwill was as follows (in thousands):



Balance at December 31, 2012	$	442,600
Foreign exchange	(6,245		)
Balance at March 31, 2013	$	436,355

The gross carrying amounts and net book values of our intangible assets were as follows (in thousands):



	March 31, 2013								December 31, 2012
	Remaining Weighted- Average Useful Life (In years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Acquired developed technologies	12.1	$	916,321	$	(115,867	)	$	800,454	$	930,834	$	(97,578	)	$	833,256
Trademarks	1.8	2,600		(2,122		)	478		2,600		(2,054		)	546
Total finite-lived intangible assets		918,921		(117,989		)	800,932		933,434		(99,632		)	833,802
Acquired IPR&D assets		34,071		—			34,071		36,150		—			36,150
Total intangible assets		$	952,992	$	(117,989	)	$	835,003	$	969,584	$	(99,632	)	$	869,952

Based on finite-lived intangible assets recorded as of March 31, 2013, and assuming the underlying assets will not be impaired in the future and that we will not change the expected lives of the assets, future amortization costs were estimated as follows (in thousands):



Year Ending December 31,	Estimated Amortization Expense
2013 (remainder)	$	57,789
2014	76,859
2015	70,821
2016	66,491
2017	66,399
Thereafter	462,573
Total	$	800,932

- 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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