XML 15 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2017
Sep. 30, 2017
Consolidated Balance Sheets    
Common stock, authorized shares 300,000,000 300,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, issued shares 159,132,336 157,529,419
Common stock, outstanding shares 159,132,336 157,529,419