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Goodwill | 12 Months Ended
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Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill |
10. | Goodwill
Changes in the value of goodwill by reportable segments were as follows:
|  | U.S. dialysis and related lab services |  |  | HCP |  |  | Other ancillary services and strategic initiatives |  |  | Consolidated total |
Balance at January 1, 2013 |  | $ | 5,309,152 |  |  | $ | 3,506,571 |  |  | $ | 137,027 |  |  | $ | 8,952,750 |
Acquisitions |  |  | 163,037 |  |  |  | 17,833 |  |  |  | 90,397 |  |  | $ | 271,267 |
Divestitures |  |  | (2,728 | ) |  |  | — |  |  |  | — |  |  | $ | (2,728 | )
Other adjustments |  |  | 12 |  |  |  | (8,242 | ) |  |  | (85 | ) |  | $ | (8,315 | )
Balance at December 31, 2013 |  | $ | 5,469,473 |  |  | $ | 3,516,162 |  |  | $ | 227,339 |  |  | $ | 9,212,974 |
Acquisitions |  |  | 143,021 |  |  |  | 48,649 |  |  |  | 29,844 |  |  | $ | 221,514 |
Divestitures |  |  | (1,851 | ) |  |  | — |  |  |  | — |  |  | $ | (1,851 | )
Foreign currency and other adjustments |  |  | — |  |  |  | (2,277 | ) |  |  | (15,065 | ) |  | $ | (17,342 | )
Balance at December 31, 2014 |  | $ | 5,610,643 |  |  | $ | 3,562,534 |  |  | $ | 242,118 |  |  | $ | 9,415,295 |
Each of the Company’s operating segments described in Note 25 to these consolidated financial statements represents an individual reporting unit for goodwill impairment testing purposes, except that each sovereign jurisdiction within our international operating segments is considered a separate reporting unit. Within the U.S. dialysis and related lab services operating segment, the Company considers each of its dialysis centers to constitute an individual business for which discrete financial information is available. However, since these dialysis centers have similar operating and economic characteristics, and the allocation of resources and significant investment decisions concerning these businesses are highly centralized and the benefits broadly distributed, the Company has aggregated these centers and deemed them to constitute a single reporting unit. The Company has applied a similar aggregation to the HCP operations in each region, to the vascular access service centers in its vascular access services reporting unit, to the physician practices in its physician services reporting unit, and to the dialysis centers within each sovereign international jurisdiction. For the Company’s additional operating segments, no component below the operating segment level is considered a discrete business and therefore these operating segments directly constitute individual reporting units. HCP’s current and expected future operating results have eroded, primarily as a result of recent reductions in its Medicare Advantage reimbursement rates. As a result, the Company has determined that three of HCP’s reporting units, HCP California, HCP Nevada and HCP New Mexico, continue to be at risk of a goodwill impairment. HCP California, HCP Nevada and HCP New Mexico have goodwill of $2,511,477, $517,618, and $72,130, respectively. The Company’s annual goodwill impairment assessment date for its HCP reporting units is November 1. The Company obtained third-party valuations of these three businesses as of November 1, 2014, noting that the estimated fair values of HCP California, HCP Nevada and HCP New Mexico exceeded their total carrying values by approximately 5.6%, 12.4% and 9.7%, respectively. There were no major changes in the business, prospects, or expected future results of these HCP reporting units from November 1 to December 31, 2014. Further reductions in HCP’s reimbursement rates or other significant adverse changes in its expected future cash flows or valuation assumptions could result in a goodwill impairment charge in the future. For example, a sustained, long-term reduction of 3% in operating income for HCP California, HCP Nevada and HCP New Mexico could reduce their estimated fair values by up to 2.5%, 2.8% and 3.0%, respectively. Separately, an increase in their respective discount rates of 100 basis points could reduce the estimated fair values of HCP California, HCP Nevada and HCP New Mexico by up to 5.3%, 5.9% and 6.3%, respectively. During 2014, the Company recorded an immaterial goodwill impairment charge related to its international operations. During 2013, the Company did not record any goodwill impairment charges. Except as described above, none of the goodwill associated with the Company’s various other reporting units was considered at risk of impairment as of December 31, 2014. Since the dates of the Company’s last annual goodwill impairment tests, there have been certain developments, events, changes in operating performance and other changes in key circumstances that have affected the Company’s businesses. However, these did not cause management to believe it is more likely than not that the fair value of any of its reporting units would be less than its carrying amount.

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