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