Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Oct. 31, 2014 agreement	Jan. 31, 2015 Scenario, Forecast [Member]	Oct. 31, 2014 Employees Hired On Or After August 1, 2013 Will Be Eligible For Retirement Contribution [Member]	Oct. 31, 2014 Employees Hired Prior To August 1, 2013 Will Be Eligible For Retirement Contribution, Effective August 1, 2016 [Member]	Oct. 31, 2014 U.S. Pension Plans [Member]	Jan. 31, 2015 U.S. Pension Plans [Member] Scenario, Forecast [Member]	Oct. 31, 2014 Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of U.S. plans	2
Company contributions					$ 0.7		$ 1.0
Minimum funding requirement for Fiscal 2015					12.1
Additional future contribution towards pension plans for the remainder of Fiscal 2015							2.8
Annual Company retirement contribution in addition to 401 (k) match, percent			3.00%	3.00%
Approximate expense related to lump sum settlements anticipated		$ 4.0				$ 4.0