Revenue Recognition (Remaining Performance Obligation) (Details)	Dec. 31, 2020
Extended warranties and post contract support | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	43.00%
Revenue recognition period (in years)	1 year
Extended warranties and post contract support | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	32.00%
Revenue recognition period (in years)	1 year
Extended warranties and post contract support | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	17.00%
Revenue recognition period (in years)	1 year
Extended warranties and post contract support | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	6.00%
Revenue recognition period (in years)	1 year
Extended warranties and post contract support | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	2.00%
Revenue recognition period (in years)
Up front customer loyalty programs and volume commitment programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	26.00%
Revenue recognition period (in years)	1 year
Up front customer loyalty programs and volume commitment programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	24.00%
Revenue recognition period (in years)	1 year
Up front customer loyalty programs and volume commitment programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	21.00%
Revenue recognition period (in years)	1 year
Up front customer loyalty programs and volume commitment programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	16.00%
Revenue recognition period (in years)	1 year
Up front customer loyalty programs and volume commitment programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	13.00%
Revenue recognition period (in years)
Instrument rebate programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	36.00%
Revenue recognition period (in years)	1 year
Instrument rebate programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	27.00%
Revenue recognition period (in years)	1 year
Instrument rebate programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	18.00%
Revenue recognition period (in years)	1 year
Instrument rebate programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	11.00%
Revenue recognition period (in years)	1 year
Instrument rebate programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	8.00%
Revenue recognition period (in years)
Reagent rental programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	41.00%
Revenue recognition period (in years)	1 year
Reagent rental programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	27.00%
Revenue recognition period (in years)	1 year
Reagent rental programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	16.00%
Revenue recognition period (in years)	1 year
Reagent rental programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	9.00%
Revenue recognition period (in years)	1 year
Reagent rental programs | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue percentage expected to be recognized	7.00%
Revenue recognition period (in years)