Revenue - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total accounts receivables with customers	$ 352.3	$ 175.8
Infrastructure
Segment Reporting Information [Line Items]
Total accounts receivables with customers	343.7	168.5
Spectrum
Segment Reporting Information [Line Items]
Total accounts receivables with customers	8.5	7.3
Life Sciences
Segment Reporting Information [Line Items]
Total accounts receivables with customers	$ 0.1	$ 0.0