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, 2009	$ 536	$ 105,094	$ 26,165	$ 24,279	$ 156,074
Balance (in Shares) at Oct. 31, 2009	53,617
Comprehensive Income:
Net Income			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				100
Share-based compensation expense		3,906			3,906
Tax effect from share-based compensation		(705)			(705)
Issuance of restricted stock					500
Issuance of restricted stock (in Shares)	3				70
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
Comprehensive Income:
Net Income			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				500
Share-based compensation expense		3,253			3,253
Tax effect from share-based compensation		(137)			(137)
Issuance of restricted stock					3,800
Issuance of restricted stock (in Shares)	37				300
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
Comprehensive Income:
Net Income			38,606		38,606
Currency translation				(8,921)	(8,921)
Total comprehensive income					29,685
Options exercised	16	16,721			16,737
Options exercised (in Shares)	1,568				1,568
Share-based compensation expense		4,141			4,141
Tax effect from share-based compensation		592			592
Issuance of restricted stock	1	(1)			5,700
Issuance of restricted stock (in Shares)	144				500
Other	1	(1)
Other (in Shares)	65
Balance at Oct. 31, 2012	$ 560	$ 135,758	$ 119,444	$ 29,008	$ 284,770
Balance (in Shares) at Oct. 31, 2012	55,973				55,973