Stock-Based Compensation Plans (Details Narrative) (USD $)	3 Months Ended
	Dec. 31, 2012 Years
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares available for future issuance	557,380
Aggregate intrinsic value of exercisable in-the-money options	$ 3,910,000
Aggregate intrinsic value of outstanding in-the-money options	4,213,000
Market close price	$ 28.43
Realized tax benefit from options exercised	407,000
Total compensation cost of options granted but not yet vested	956,000
Weighted average period for compensation to be recognized	3.7
Gains realized by option holders	$ 1,050,000