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Goodwill | 12 Months Ended
--- | ---
Dec. 31, 2015
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill | Note 8—Goodwill: We have assigned goodwill to each of our reporting units (as that term is defined in ASC Topic 350-20-20, Goodwill) which corresponds to our operating segments. All of our goodwill related to our Chemicals Segment is from our various step acquisitions of NL and Kronos which occurred prior to 2013, as goodwill was determined prior to the adoption of the equity transaction framework provisions of ASC Topic 810. Substantially all of the net goodwill related to the Component Products Segment was generated from CompX’s acquisitions of certain business units and the step acquisitions of CompX. The Component Products Segment goodwill is assigned to the security products reporting unit within that operating segment.
|  | Operating segment |  |  |  |  |
|  | Chemicals |  |  | Component Products |  |  |  | Total |
|  |  | (In millions) |
Balance at December 31, 2013, 2014 and 2015 |  | $ | 352.6 |  |  | $ | 27.1 |  |  |  | $ | 379.7 |
We test for goodwill impairment at the reporting unit level. In determining the estimated fair value of the reporting units, we use appropriate valuation techniques, such as discounted cash flows and, with respect to our Chemicals Segment, we consider quoted market prices, a Level 1 input, while discounted cash flows are a Level 3 input. We also consider control premiums when assessing fair value using quoted market prices. If the carrying amount of goodwill exceeds its implied fair value, an impairment charge is recorded. We review goodwill for each of our reporting units for impairment during the third quarter of each year. Goodwill is also evaluated for impairment at other times whenever an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. If the fair value of an evaluated asset is less than its book value, the asset is written down to fair value. Prior to 2013, we used a quantitative assessment in determining the estimated fair value of our Component Products security products reporting unit, using appropriate valuation techniques such as discounted cash flows. Such discounted cash flows are a Level 3 input as defined by ASC 820-10-35. If the carrying amount of goodwill exceeds its implied fair value, an impairment charge is recorded. In 2013 we adopted the guidance in ASU No. 2011-08 for testing goodwill for impairment by assessing qualitative factors solely as it relates to our security products reporting unit, to determine whether it is necessary to perform the two-step quantitative goodwill impairment test. We performed our annual goodwill impairment test in the third quarter of 2015 for each of our reporting units and concluded there was no impairment of the goodwill for those reporting units. The impairment test as it relates to our security products reporting unit was based on our qualitative assessment, and as a result a quantitative assessment was not required for such reporting unit for 2015. We also tested our goodwill for impairment in connection with our annual goodwill impairment test during the third quarter of 2013 and 2014. No impairment was indicated as part of such 2013, 2014 or 2015 annual review of goodwill. Prior to 2013, we recorded an aggregate $16.5 million goodwill impairment, mostly with respect to our Component Products Segment. Our consolidated gross goodwill at December 31, 2015 is $396.2 million.

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