Employee Benefit Plans (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jan. 31, 2015
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 0.9
Estimated future contributions to pension plans 12.1
U.S. Pension Plans [Member] | Scenario, Forecast [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Approximate expense related to lump sum settlements anticipated 3.9
Non-U.S. Pension Plans [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Company contributions 1.9
Additional future contribution towards pension plans for the remainder of Fiscal 2015 1.7