Employee Benefit Plans (Narrative) (Details) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | 27 Months Ended | ||
|---|---|---|---|---|---|---|
Jul. 31, 2013 |
Jan. 31, 2016
USD ($)
|
Jan. 31, 2015
USD ($)
|
Jan. 31, 2016
USD ($)
plan
|
Jan. 31, 2015
USD ($)
|
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 | $ 3,900 | $ 0 | $ 3,900 | ||
| U.S. Pension Plans | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Company contributions | 600 | |||||
| Estimated future contributions to pension plans | 10,800 | |||||
| Pension Expense | $ 3,900 | |||||
| Non-U.S. Pension Plans | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Company contributions | 1,700 | |||||
| Additional future contribution towards pension plans for the remainder of Fiscal 2015 | $ 2,200 | |||||