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Goodwill and Intangible Assets - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Roll Forward] |  |
Beginning balance | $ 337,751 | $ 327,724
Additions |  | 6,513
Adjustments | (1,864) | 3,514
Ending balance | 335,887 | 337,751
Automation and Analytics |  |
Goodwill [Roll Forward] |  |
Beginning balance | 220,851 | 215,082
Additions |  | 3,113
Adjustments | (1,296) | 2,656
Ending balance | 219,555 | 220,851
Medication Adherence |  |
Goodwill [Roll Forward] |  |
Beginning balance | 116,900 | 112,642
Additions |  | 3,400
Adjustments | (568) | 858
Ending balance | 116,332 | $ 116,900
Accounts Receivable | Medication Adherence |  |
Goodwill [Roll Forward] |  |
Goodwill, purchase accounting adjustments | 100 |
Other Noncurrent Assets | Medication Adherence |  |
Goodwill [Roll Forward] |  |
Goodwill, purchase accounting adjustments | 700 |
Other Liabilities | Medication Adherence |  |
Goodwill [Roll Forward] |  |
Goodwill, purchase accounting adjustments | $ 2,600 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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