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Acquisitions - Narrative (Details) - ZEE Medical, Inc.
Aug. 01, 2015
USD ($)
Business Acquisition [Line Items]  
Consideration transferred $ 134,000,000
Cash consideration 120,600,000
Contingent consideration subject to holdback provisions 13,400,000
Goodwill expected to be deductible for income tax purposes $ 0
Goodwill, Service Contracts and Other Intangibles | Level 3  
Business Acquisition [Line Items]  
Discount rate 11.00%
Service contracts  
Business Acquisition [Line Items]  
Estimated useful life of service contracts 10 years