Contract Assets and Deferred Revenue - Narratives (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-03 - Comcast CableOS Software License Agreement [Member] $ in Millions	Apr. 02, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 68.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	27 months