Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.2.0.727
Consolidated Balance Sheets (Parenthetical) - $ / shares
None in scaling factor is -9223372036854775296
Jun. 30, 2015
Sep. 30, 2014
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share)    
Common stock, shares issued 63,600,000.0 63,500,000.0
Common stock, shares outstanding 62,900,000.0 62,900,000.0
Treasury stock, shares 700,000.0 600,000.0