Consolidated Statements of Changes in Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]	Non-Controlling Interest [Member]
Beginning balance at Nov. 01, 2010	$ 619,595	$ 1,669	$ 513,102	$ (6,778)	$ (11,307)	$ 113,682	$ 9,227
Beginning balance, shares at Nov. 01, 2010		166,867,000
Exercise of stock options	2,964	8	2,956
Exercise of stock options, shares	757,538	756,000
Stock compensation expense	14,414		14,414
Restricted stock		1	(1)
Restricted stock, shares		120,000
Employee stock purchase plan	1,165	3	1,162
Employee stock purchase plan, shares		311,000
Transactions with non-controlling interest holders	(91)						(91)
Net loss and other comprehensive (loss)/income	(15,425)				(21,258)	2,445	3,388
Ending balance at Oct. 31, 2011	622,622	1,681	531,633	(6,778)	(32,565)	116,127	12,524
Ending balance, shares at Oct. 31, 2011		168,054,000
Exercise of stock options	1,127	5	1,122
Exercise of stock options, shares	506,329	506,000
Stock compensation expense	22,552		22,552
Restricted stock, shares		45,000
Employee stock purchase plan	1,114	5	1,109
Employee stock purchase plan, shares		461,000
Transactions with non-controlling interest holders	(17,585)		(11,110)				(6,475)
Business acquisitions	11,864						11,864
Net loss and other comprehensive (loss)/income	(39,458)				(10,756)	(29,715)	1,013
Ending balance at Oct. 31, 2012	602,236	1,691	545,306	(6,778)	(43,321)	86,412	18,926
Ending balance, shares at Oct. 31, 2012		169,066,000
Exercise of stock options	8,769	30	8,739
Exercise of stock options, shares	2,985,792	2,986,000
Stock compensation expense	21,556		21,556
Restricted stock		1	(1)
Restricted stock, shares		78,000
Employee stock purchase plan	1,175	4	1,171
Employee stock purchase plan, shares		449,000
Transactions with non-controlling interest holders	(59)		(45)				(14)
Net loss and other comprehensive (loss)/income	(246,019)				(232,565)	(12,494)	(960)
Ending balance at Oct. 31, 2013	$ 387,658	$ 1,726	$ 576,726	$ (6,778)	$ (275,886)	$ 73,918	$ 17,952
Ending balance, shares at Oct. 31, 2013		172,579,000