Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill for the three months ended March 31, 2013 were as follows:



	Mobile Industries		Process Industries			Aerospace			Steel		Total
Beginning balance	$	17.7	$	146.4		$	162.2		$	12.6	$	338.9
Acquisitions	5.5		(0.1		)	—			—		5.4
Other	—		1.0			(0.1		)	—		0.9
Ending balance	$	23.2	$	147.3		$	162.1		$	12.6	$	345.2

The change related to acquisitions primarily reflects the preliminary purchase price allocation for the acquisition of Interlube Systems Ltd. (Interlube) completed on March 11, 2013. See Note 14 - Acquisitions for additional information on the acquisition of Interlube.

The following table displays intangible assets as of March 31, 2013 and December 31, 2012:



	As of March 31, 2013						As of December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets subject to amortization:
Customer relationships	$	163.3	$	41.6	$	121.7	$	159.6	$	38.1	$	121.5
Know-how	27.9		3.1		24.8		26.1		2.8		23.3
Industrial license agreements	0.2		0.1		0.1		0.2		0.1		0.1
Land-use rights	8.7		4.2		4.5		8.6		4.1		4.5
Patents	2.2		1.7		0.5		2.5		1.8		0.7
Technology use	46.4		11.6		34.8		47.0		11.5		35.5
Trademarks	3.9		2.2		1.7		4.2		3.4		0.8
PMA licenses	8.8		3.7		5.1		8.8		3.6		5.2
Non-compete agreements	4.5		3.4		1.1		4.4		3.3		1.1
Unpatented technology	7.2		7.2		—		7.2		6.7		0.5
	$	273.1	$	78.8	$	194.3	$	268.6	$	75.4	$	193.2
Intangible assets not subject to amortization:
Tradename	$	17.3	$	—	$	17.3	$	17.3	$	—	$	17.3
FAA air agency certificates	14.2		—		14.2		14.2		—		14.2
	$	31.5	$	—	$	31.5	$	31.5	$	—	$	31.5
Total intangible assets	$	304.6	$	78.8	$	225.8	$	300.1	$	75.4	$	224.7

Amortization expense for intangible assets was $4.6 million and $5.2 million for the three months ended March 31, 2013 and March 31, 2012, respectively. Amortization expense for intangible assets is estimated to be approximately $19.5 million for 2013; $19.3 million in 2014; $19.2 million in 2015; $18.9 million in 2016; and $18.6 million in 2017.

- 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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