Deferred Revenue - Remaining Performance Obligation (Details) $ in Millions | Sep. 30, 2019USD ($) |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 593 |
Expected timing of satisfaction, period | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01 | Domains | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 276.9 |
Expected timing of satisfaction, period | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01 | Hosting and presence | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 212.8 |
Expected timing of satisfaction, period | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01 | Business applications | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Aggregate remaining performance obligation | $ 103.3 |
Expected timing of satisfaction, period | 3 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 | $ 1,063 |
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 | $ 537.9 |
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 | $ 351 |
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 | $ 174.1 |
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 | $ 303.9 |
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 | $ 156.8 |
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 | $ 99.1 |
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 | $ 48 |
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 | $ 114.2 |
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 | $ 68.4 |
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 | $ 31.3 |
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 | $ 14.5 |
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 | $ 56.9 |
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 | $ 40 |
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 | $ 13.4 |
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 | $ 3.5 |
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 | $ 65.1 |
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 | $ 52.6 |
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 | $ 10 |
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 | $ 2.5 |
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 | $ 2,196.1 |
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 | 1,132.6 |
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 | 717.6 |
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 | $ 345.9 |