Segments - Revenue by Product (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total net revenues	$ 1,371.8	$ 1,168.2
Automated WAN Solutions
Segment Reporting Information [Line Items]
Total net revenues	474.5	390.7
Cloud-Ready Data Center
Segment Reporting Information [Line Items]
Total net revenues	193.6	188.8
AI-Driven Enterprise
Segment Reporting Information [Line Items]
Total net revenues	317.0	214.0
Hardware Maintenance and Professional Services
Segment Reporting Information [Line Items]
Total net revenues	$ 386.7	$ 374.7