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Commitments and Contingencies (Narrative) (Details)							9 Months Ended		12 Months Ended
	Oct. 06, 2016 USD ($)	Oct. 06, 2016 EUR (€)	Apr. 01, 2016 USD ($)	Apr. 01, 2016 EUR (€)	Jan. 02, 2004 USD ($)	Jan. 02, 2004 EUR (€)	Sep. 30, 2017 USD ($) installment notice	Sep. 30, 2017 EUR (€)	Dec. 31, 2010 USD ($)	Dec. 31, 2010 EUR (€)	Sep. 30, 2017 EUR (€) installment notice	Dec. 31, 2016 USD ($)	Aug. 27, 2015 non-conformity	Oct. 30, 2009 USD ($)	Oct. 30, 2009 EUR (€)
Other Commitments [Line Items]
Accrual for Environmental Loss Contingencies | $							$ 30,246,000					$ 33,487,000
Estimate of possible loss							20,000,000	€ 17,000,000
Settled Litigation
Other Commitments [Line Items]
Litigation settlement	$ 228,000	€ 200,000
Reimbursed legal fees	$ 228,000	€ 200,000
Threatened Litigation | Regional Internal Revenue Office of Lombardy
Other Commitments [Line Items]
Write-down under dispute							$ 73,800,000				€ 62,600,000			$ 121,000,000	€ 102,600,000
Number of equal installments | installment							5				5
Number of notice of assessments | notice							3				3
FDA Warning Letter
Other Commitments [Line Items]
Number of observed non-conformities | non-conformity													2
SNIA | Sorin S.p.A.
Other Commitments [Line Items]
Residual shareholders' equity received					$ 676,000,000	€ 573,000,000
SNIA | Pending Litigation | SNIA s.p.a
Other Commitments [Line Items]
Compensation sought									$ 4,000,000,000	€ 3,400,000,000
SNIA | Settled Litigation | Sorin S.p.A. | Positive Outcome of Litigation
Other Commitments [Line Items]
Litigation settlement			$ 353,910	€ 300,000
SNIA | Settled Litigation | Sorin S.p.A. and SNIA s.p.a | Positive Outcome of Litigation
Other Commitments [Line Items]
Litigation settlement | €				€ 50,000

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