Condensed Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Shares Issued [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Sep. 30, 2013	$ 155,045		$ 107,412	$ 46,888	$ 745
Beginning balance, Shares at Sep. 30, 2013		41,518
Cash dividends paid	(16,169)			(16,169)
Exercise of stock options	513		513
Exercise of stock options, Shares		36
Conversion of restricted stock units		2
Stock compensation expense	2,157		2,157
Net earnings	17,726			17,726
Foreign currency translation adjustment	1,060				1,060
Ending balance at Mar. 31, 2014	$ 160,332		$ 110,082	$ 48,445	$ 1,805
Ending balance, Shares at Mar. 31, 2014		41,556