Quarterly report pursuant to Section 13 or 15(d)

Related Party Transaction - Narrative (Details)

v3.5.0.2
Related Party Transaction - Narrative (Details) - $ / shares
1 Months Ended 9 Months Ended
May 12, 2016
May 31, 2016
Jun. 30, 2016
Jun. 30, 2015
Related Party Transaction [Line Items]        
Common shares purchased (in shares)     1,130,875 212,783
Director and President        
Related Party Transaction [Line Items]        
Common shares purchased (in shares)   970,000    
Purchase price (in dollars per share)   $ 50.6921625    
Average of high/low trading prices (as a percent) 96.76%