Goodwill and Intangible Assets - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
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

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.

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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.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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