Business Segment Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Segment Reporting Information [Line Items]
Net revenues	$ 281,683,000	$ 248,832,000	$ 284,264,000	$ 251,055,000	$ 288,907,000	$ 266,079,000	$ 272,257,000	$ 245,809,000	$ 1,065,834,000	$ 1,073,052,000	$ 832,067,000
Long-Lived Assets	322,507,000				338,267,000				322,507,000	338,267,000	331,452,000
Reportable Geographical Components [Member] | United States
Segment Reporting Information [Line Items]
Net revenues									888,164,000	901,182,000	740,836,000
Long-Lived Assets	253,160,000				275,556,000				253,160,000	275,556,000	265,975,000
Reportable Geographical Components [Member] | Europe
Segment Reporting Information [Line Items]
Net revenues									143,281,000	132,094,000	48,414,000
Long-Lived Assets	48,716,000				43,166,000				48,716,000	43,166,000	43,875,000
Reportable Geographical Components [Member] | Rest of World
Segment Reporting Information [Line Items]
Net revenues									34,389,000	39,776,000	42,817,000
Long-Lived Assets	$ 20,631,000				$ 19,545,000				$ 20,631,000	$ 19,545,000	$ 21,602,000
Sales [Member] | Rest of World
Segment Reporting Information [Line Items]
Concentration Risk, Percentage									16.70%		10.00%
General Motors [Member] | Sales [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage									18.20%	15.50%	16.40%