XML 76 R64.htm IDEA: XBRL DOCUMENT v3.6.0.2
Pension and Retirement Plans (Detail) - Weighted average actuarial assumptions used to determine net periodic benefit cost
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Domestic    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate: 4.25% 4.25%
International    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate: 3.10% 3.25%
Expected return on plan assets: 4.20% 4.40%
Rate of compensation increase: 1.00% 1.00%