Employee Benefit Plans (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended		27 Months Ended
	Jul. 31, 2013	Apr. 30, 2016 USD ($)	Apr. 30, 2015 USD ($)	Jan. 31, 2015 USD ($)	Apr. 30, 2016 USD ($) plan	Apr. 30, 2015 USD ($)	Oct. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Number of U.S. plans | plan					2
Annual Company retirement contribution in addition to 401 (k) match, percent	3.00%						3.00%
Pension Expense		$ 0.0	$ 0.0		$ 0.0	$ 3.9
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Company contributions					2.5
Additional future contribution towards pension plans for the remainder of Fiscal 2015					1.5
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Company contributions					0.8
Estimated future contributions to pension plans					$ 10.8
Pension Expense				$ 3.9