Revenue from Contracts with Customers Transaction Price Allocated to Remaining Performance Obligations (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	$ 47,869
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	193,348
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	43,679
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	31,944
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	144,734
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	646
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	9,820
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	101,127
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	594
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	3,575
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	64,286
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	345
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	1,559
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	37,613
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	74
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01 | License [Member]
Transaction price allocated to remaining performance obligations	721
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01 | Maintenance [Member]
Transaction price allocated to remaining performance obligations	14,847
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01 | Services and other [Member]
Transaction price allocated to remaining performance obligations	$ 16