Revenue Contract Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Movement in Deferred Revenue [Roll Forward]
Contract with Customer, Liability	$ (7,461)	$ (6,430)
Contract with Customer, Liability	(58,236)	(8,888)
Short Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	35,200
Long Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	23,000
SmithsMedical
Movement in Deferred Revenue [Roll Forward]
Contract with Customer, Liability		(51,245)
Equipment revenue [Member]
Movement in Deferred Revenue [Roll Forward]
Increase (Decrease) in Deferred Revenue	5,574	461
Deferred Revenue, Additions	(3,447)	(2,921)
Equipment revenue [Member] | Short Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	24,100
Equipment revenue [Member] | Long Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	0
Software revenue [Member]
Movement in Deferred Revenue [Roll Forward]
Increase (Decrease) in Deferred Revenue	4,299	1,796
Deferred Revenue, Additions	(4,777)	$ (1,794)
Software revenue [Member] | Short Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	7,700
Software revenue [Member] | Long Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	2,600
Government Grant Revenue
Movement in Deferred Revenue [Roll Forward]
Increase (Decrease) in Deferred Revenue	171
Deferred Revenue, Additions	(2,266)
Government Grant Revenue | Short Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	1,300
Government Grant Revenue | Long Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	12,800
Other deferred revenue
Movement in Deferred Revenue [Roll Forward]
Increase (Decrease) in Deferred Revenue	1,683
Deferred Revenue, Additions	(767)
Other deferred revenue | Short Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	2,100
Other deferred revenue | Long Term
Movement in Deferred Revenue [Roll Forward]
Revenue, Remaining Performance Obligation, Amount	$ 7,600