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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets: Goodwill The changes in the carrying amount of goodwill in 2017 and 2016, in total and by segment, are summarized in the table below (in millions):
Segment: | Balance at December 31, 2015 (1) |  | Change in foreign currency translation rate |  | Balance at December 31, 2016 |  | Change in foreign currency translation rate |  | Balance at December 31, 2017
Residential Heating & Cooling | $ | 26.1 |  |  | $ | — |  |  | $ | 26.1 |  |  | $ | — |  |  | $ | 26.1 |
Commercial Heating & Cooling | 60.6 |  |  | (0.5 | ) |  | 60.1 |  |  | 2.1 |  |  | 62.2 |
Refrigeration | 108.4 |  |  | 0.5 |  |  | 108.9 |  |  | 3.3 |  |  | 112.2 |
| $ | 195.1 |  |  | $ | — |  |  | $ | 195.1 |  |  | $ | 5.4 |  |  | $ | 200.5 |
(1) The goodwill balances in the table above are presented net of accumulated impairment charges of $21.2 million, all of which relate to impairments in periods prior to 2016. We reviewed our reporting unit structure as part of our annual goodwill impairment testing. We identified several components one level below our operating segments which were determined to be reporting units. We then performed our analysis to determine the proper aggregation of our reporting units, which considered similar economic and other characteristics, including product types, gross profits, production processes, customer types, distribution processes, and regulatory environments. Our analysis incorporated qualitative and quantitative measures to evaluate economic similarity and concluded that our reporting units continue to be equivalent to our operating segments except that we began evaluating our North America supermarket display cases and systems business separately beginning in 2015. A qualitative review of impairment indicators was performed in 2017 for the Residential Heating & Cooling, the Commercial Heating & Cooling, and the Refrigeration segments and we determined that it was not more likely than not that the fair values of our reporting units, individually or collectively, were less than their carrying values. Accordingly, a quantitative impairment analysis was not performed for these segments. No indicators of goodwill impairment were identified during the current year. Also, we did not record any goodwill impairments related to continuing operations in 2016. During the fourth quarter of 2015 we performed a quantitative impairment analysis of our North American supermarket display cases and systems business. Based on the results of the quantitative impairment test, we recorded impairment of $5.5 million in "Goodwill impairment" in the Consolidated Statement of Operations. Intangible Assets As of December 31, 2017 and 2016, there were $4.3 million and $4.3 million, respectively, of indefinite-lived intangible assets recorded in Other assets, net in the accompanying Consolidated Balance Sheets. These intangible assets consisted primarily of trademarks and are not subject to amortization. Identifiable intangible and other assets subject to amortization were recorded in Other assets, net in the accompanying Consolidated Balance Sheets and were comprised of the following (in millions):
| As of December 31,
| 2017 |  | 2016
| Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Customer relationships | 15.8 |  |  | (15.1 | ) |  | 0.7 |  |  | 15.9 |  |  | (14.9 | ) |  | 1.0 |
Patents and others | 14.3 |  |  | (6.4 | ) |  | 7.9 |  |  | 12.7 |  |  | (6.4 | ) |  | 6.3 |
Total | $ | 30.1 |  |  | $ | (21.5 | ) |  | $ | 8.6 |  |  | $ | 28.6 |  |  | $ | (21.3 | ) |  | $ | 7.3 |
Amortization expense related to these intangible and other assets was as follows (in millions):
| For the Years Ended December 31,
| 2017 |  | 2016 |  | 2015
Amortization expense (1) | $ | 0.5 |  |  | $ | 0.4 |  |  | $ | 2.7 |
(1) Included in the amortization expense in 2015 are amounts relating to customer relationships that were written off during the fourth quarter of 2015. Estimated amortization expense for the next five years and thereafter is as follows (in millions):
Estimated Future Amortization Expense: |
2018 | $ | 0.5 |
2019 | 0.5 |
2020 | 0.4 |
2021 | 0.2 |
2022 | 0.2 |
Thereafter | 6.8 |
During the fourth quarter of 2015, we completed a strategic review of our North American supermarket display cases and systems business. As a result, we performed an impairment analysis using a market approach and determined that intangible assets relating to the North American supermarket display case business trade name and its customer relationships were impaired and we recorded a charge of $21.2 million in "Asset impairment" in the Consolidated Statement of Operations. We did no t have any impairments of intangible assets related to continuing operations in 2017 or 2016.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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