Fair Value Measures and Disclosures Liabilities Recurring Basis Unobservable Input Reconciliation Hospira (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CONTINGENT EARN-OUT LIABILITY	$ 3,100	$ 26,300	$ 26,300			$ 26,300
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)	3,100	$ 0	$ 0
Hospira [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CONTINGENT EARN-OUT LIABILITY	24,300			$ 20,000
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)	4,300			$ 2,700
Pursuit Vascular, Inc. [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
CONTINGENT EARN-OUT LIABILITY	$ 26,300				$ 17,300		$ 17,300
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)					$ 0