Other Financial Information - Revenue, Remaining Performance Obligation (Details) $ in Millions	Sep. 30, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 1,852.4
Product
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	91.0
Service
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	1,761.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 1,049.8
Revenue recognition expected by period, satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | Product
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 74.7
Revenue recognition expected by period, satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | Service
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 975.1
Revenue recognition expected by period, satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 609.0
Revenue recognition expected by period, satisfaction period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | Product
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 13.2
Revenue recognition expected by period, satisfaction period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | Service
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 595.8
Revenue recognition expected by period, satisfaction period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 193.6
Revenue recognition expected by period, satisfaction period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01 | Product
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 3.1
Revenue recognition expected by period, satisfaction period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01 | Service
Disaggregation of Revenue [Line Items]
Revenue recognition expected by period	$ 190.5
Revenue recognition expected by period, satisfaction period