Goodwill and Intangible Assets - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Goodwill [Roll Forward] | ||
| Beginning balance | $ 327,724 | $ 147,906 |
| Additions | 6,513 | 184,431 |
| Adjustments | 3,514 | (4,613) |
| Ending balance | 337,751 | 327,724 |
| Automation and Analytics | ||
| Goodwill [Roll Forward] | ||
| Beginning balance | 215,082 | 54,316 |
| Additions | 3,113 | 163,599 |
| Adjustments | 2,656 | (2,833) |
| Ending balance | 220,851 | 215,082 |
| Medication Adherence | ||
| Goodwill [Roll Forward] | ||
| Beginning balance | 112,642 | 93,590 |
| Additions | 3,400 | 20,832 |
| Adjustments | 858 | (1,780) |
| Ending balance | 116,900 | $ 112,642 |
| 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 | |