Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Revenue Recognition (Details)

v3.8.0.1
Basis of Presentation - Revenue Recognition (Details)
3 Months Ended
Sep. 30, 2017
Revenue_source
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of revenue sources 3
Standard warranty coverage (in hours per week) 40 hours
Standard warranty coverage period (in months) 12 months