Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Apr. 30, 2014 agreement
Defined Benefit Plan Disclosure [Line Items]
Number of U.S. plans	2
Employees Hired On Or After August 1, 2013 Will Be Eligible For Retirement Contribution [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual Company retirement contribution in addition to 401 (k) match, percent	3.00%
Employees Hired Prior To August 1, 2013 Will Be Eligible For Retirement Contribution, Effective August 1, 2016 [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual Company retirement contribution in addition to 401 (k) match, percent	3.00%
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Company contributions	$ 0.5
Estimated future contributions to pension plans	12.1
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Company contributions	2.7
Additional future contribution towards pension plans	$ 2.9