Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Oct. 31, 2011
Long-Term Debt (Additional Textual) [Abstract]
Interest rate	1.25%
Promissory note payable period	2013-11
Non-interest bearing promissory note	$ 2.4
Imputed interest rate used to discount	2.00%
Credit Agreement Amendment [Member]
Long-Term Debt (Textual) [Abstract]
Percentage of stock of non-U.S. subsidiaries pledged	65.00%
Credit Agreement Amendment [Member] | Minimum [Member]
Long-Term Debt (Textual) [Abstract]
Maximum borrowing amount		30.0
Credit Agreement Amendment [Member] | Maximum [Member]
Long-Term Debt (Textual) [Abstract]
Maximum borrowing amount		40.0
Term loan [Member]
Long-Term Debt (Textual) [Abstract]
Maximum borrowing amount		10.0
Period of credit agreement	5 years
Quarterly installments payment	0.5
Quarterly installments payment starting date	Dec. 01, 2011
Libor-based variable interest rate of term loan	2.20%
Effective fixed rate on term loan	2.90%
Revolving loan [Member]
Long-Term Debt (Textual) [Abstract]
Maximum borrowing amount		$ 30.0
Period of credit agreement	5 years
Revolving loan [Member] | Minimum [Member]
Long-Term Debt (Textual) [Abstract]
Interest rate on revolving loan, percentage added to Libor	0.75%
Commitment fee	0.10%
Revolving loan [Member] | Maximum [Member]
Long-Term Debt (Textual) [Abstract]
Interest rate on revolving loan, percentage added to Libor	1.75%
Commitment fee	0.25%