Deferred Revenue - Remaining Performance Obligation (Details) $ in Millions | Jun. 30, 2019USD ($) |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 1,012.1 |
Expected timing of satisfaction, period | 6 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 486 |
Expected timing of satisfaction, period | 6 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 354.5 |
Expected timing of satisfaction, period | 6 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 171.6 |
Expected timing of satisfaction, period | 6 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 742.5 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 384.5 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 244.4 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 113.6 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 225.4 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 121.1 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 69.8 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 34.5 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 90.7 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 58.6 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 22.8 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 9.3 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 48 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 34.7 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 10.4 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 2.9 |
Expected timing of satisfaction, period | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 55 |
Expected timing of satisfaction, period | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 45.5 |
Expected timing of satisfaction, period | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 7.5 |
Expected timing of satisfaction, period | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 2 |
Expected timing of satisfaction, period | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 2,173.7 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | 1,130.4 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | 709.4 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 333.9 |