Quarterly report pursuant to Section 13 or 15(d)

Revenue - Performance Obligations (Details)

v3.10.0.1
Revenue - Performance Obligations (Details)
Jun. 30, 2018
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation, percentage 96.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year
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 4.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period