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Summary Of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Estimated Useful Lives Of The Assets
Property, plant, and equipment are stated at cost, net of accumulated depreciation. Depreciation is computed on a straight-line basis over the estimated useful lives of the assets, generally, as follows:
 Useful Lives
Building
Up to 30 years
Building improvements
Up to 15 years
Leasehold improvementsLesser of useful life or term of lease
Equipment and furniture
5 years
Operating lease assets
Greater of lease term or 1 to 5 years
Computer and office equipment
3 years
Enterprise-wide software
5 years
Purchased software
Lesser of 3 years or life of license
 December 31,
 20212020
Property, plant, and equipment, net:
Land$367.8 $277.9 
Building and building/leasehold improvements812.5 773.8 
Machinery and equipment497.6 428.0 
Operating lease assets – Intuitive System Leasing616.1 419.9 
Computer and office equipment123.7 112.6 
Capitalized software217.6 205.4 
Construction-in-process209.7 117.4 
Gross property, plant, and equipment2,845.0 2,335.0 
Less: Accumulated depreciation*(968.6)(757.7)
Total property, plant, and equipment, net$1,876.4 $1,577.3 
*Accumulated depreciation associated with operating lease assets – Intuitive System Leasing$(182.1)$(112.1)
Amortized Cost Basis By Year of Origination and Credit Quality Indicator The following table summarizes the amortized cost basis by year of origination and by credit quality for the net investment in sales-type leases as of December 31, 2021 (in millions):
20212020201920182017PriorNet Investment
Credit Rating:
High$101.7 $51.0 $18.8 $7.0 $1.7 $— $180.2 
Moderate109.3 62.6 18.8 7.0 2.8 0.6 201.1 
Low8.1 1.6 1.3 0.1 — 0.2 11.3 
Total$219.1 $115.2 $38.9 $14.1 $4.5 $0.8 $392.6