Segments - Revenues by Customer Vertical (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Total net revenues	$ 1,397.8	$ 1,414.6	$ 4,199.7	$ 3,852.4
Cloud
Segment Reporting Information [Line Items]
Total net revenues	269.6	375.3	845.5	1,013.3
Service Provider
Segment Reporting Information [Line Items]
Total net revenues	418.8	523.1	1,442.3	1,421.9
Enterprise
Segment Reporting Information [Line Items]
Total net revenues	$ 709.4	$ 516.2	$ 1,911.9	$ 1,417.2