Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Oct. 31, 2008	$ 535	$ 99,847	$ 11,191	$ (8,210)	$ 103,363
Balance (in Shares) at Oct. 31, 2008	53,535
Comprehensive Income:
Net Income (loss)			14,974		14,974
Currency translation				32,489	32,489
Total comprehensive income					47,463
Stock repurchased		(104)			(104)
Stock repurchased (in Shares)	(25)
Share-based compensation expense		6,480			6,480
Tax effect from share-based compensation		(1,108)			(1,108)
Effect of adopting ASC 470-20		(20)			(20)
Issuance of restricted stock	1	(1)
Issuance of restricted stock (in Shares)	119
Other (in Shares)	(12)
Balance at Oct. 31, 2009	536	105,094	26,165	24,279	156,074
Balance (in Shares) at Oct. 31, 2009	53,617
Comprehensive Income:
Net Income (loss)			23,083		23,083
Currency translation				3,380	3,380
Total comprehensive income					26,463
Stock repurchased		(63)			(63)
Stock repurchased (in Shares)	(8)
Options exercised	1	472			473
Options exercised (in Shares)	73
Share-based compensation expense		3,906			3,906
Tax effect from share-based compensation		(705)			(705)
Issuance of restricted stock (in Shares)	3
Other	(1)	1
Other (in Shares)	(35)
Balance at Oct. 31, 2010	536	108,705	49,248	27,659	186,148
Balance (in Shares) at Oct. 31, 2010	53,650				53,650
Comprehensive Income:
Net Income (loss)			31,590		31,590
Currency translation				10,270	10,270
Total comprehensive income					41,860
Options exercised	6	2,485			2,491
Options exercised (in Shares)	507
Share-based compensation expense		3,253			3,253
Tax effect from share-based compensation		(137)			(137)
Issuance of restricted stock (in Shares)	37
Other (in Shares)	2
Balance at Oct. 31, 2011	$ 542	$ 114,306	$ 80,838	$ 37,929	$ 233,615
Balance (in Shares) at Oct. 31, 2011	54,196				54,196