Nature of Operations and Summary of Significant Accounting Policies Revenue Recognition Narrative- Remaining Performance Obligation Timing of Satisfaction (Details)	Jun. 30, 2019 Rate
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Percentage	30.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Percentage	18.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months