Segment and Geographic Information - Additional Information (Detail) $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 31, 2015 Segment	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)
Segment Information [Line Items]
Number of segments | Segment	4
Total assets		$ 922,523	$ 1,255,982	$ 1,617,012
United States [Member]
Segment Information [Line Items]
Total assets		$ 275,000
Largest customer [Member]
Segment Information [Line Items]
Percentage of net revenues from continuing operations		2.00%	2.00%	2.00%
Sales [Member] | United States [Member]
Segment Information [Line Items]
Percentage of net revenues from continuing operations		35.00%	35.00%	38.00%
Sales [Member] | France [Member]
Segment Information [Line Items]
Percentage of net revenues from continuing operations		12.00%	12.00%	12.00%
Sales [Member] | Other Individual Country [Member]
Segment Information [Line Items]
Percentage of net revenues from continuing operations		10.00%
Sales [Member] | Foreign Countries [Member]
Segment Information [Line Items]
Percentage of net revenues from continuing operations		65.00%	65.00%	62.00%