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Balance Sheet Components Narrative (Details) - USD ($) $ in Thousands				1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 29, 2019	Dec. 31, 2018	Dec. 31, 2017	Jul. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Condensed Balance Sheet Statements, Captions [Line Items]
Net revenues					$ 600,697	$ 490,259	$ 1,149,668	$ 927,183
Contract with Customer, Liability		$ 68,600	$ 52,600
Revenue, remaining performance obligation					$ 521,400		$ 521,400
Deferred Revenue
Condensed Balance Sheet Statements, Captions [Line Items]
Contract with Customer, Liability		$ 137,000	$ 99,900
Minimum
Condensed Balance Sheet Statements, Captions [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period					1 year		1 year
Maximum
Condensed Balance Sheet Statements, Captions [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period					5 years		5 years
Straumann Group
Condensed Balance Sheet Statements, Captions [Line Items]
Proceeds from Legal Settlements	$ 35,000
Straumann Group \| Subsequent Event
Condensed Balance Sheet Statements, Captions [Line Items]
Proceeds from Legal Settlements				$ 16,000