Components of Net Periodic Benefit Cost (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension Contributions	$ 920	$ 952
Estimated Future Employer Contributions in Next Fiscal Year	3,550
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	866	937
Expected return on plan assets	(1,174)	(1,070)
Recognized net actuarial net loss	297	269
Net periodic (benefit) cost	(11)	136
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	6	10
Expected return on plan assets	0	0
Recognized net actuarial net loss	7	10
Net periodic (benefit) cost	13	20
POLAND | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Future Employer Contributions in Next Fiscal Year			$ 510