Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 9,933	$ 8,211
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,352	5,661
Equity in income of joint ventures	(1,809)	(553)
Dividends from joint ventures	1,341	1,195
Stock-based compensation and related net tax benefits	1,456	1,144
Current and long-term deferred taxes, net	3,307	1,076
Loss on sale, disposal and abandonment of fixed assets	17	12
Gain on investments	(281)	(221)
Changes in operating assets and liabilities:
Increase in accounts receivable, net	(4,487)	(276)
Decrease in prepaid taxes	700	39
Increase in other operating assets, net	(1,065)	(842)
Decrease in accounts payable and other accrued liabilities	(1,248)	(2,779)
Increase in other operating liabilities, net	722	143
Net cash provided by operating activities	13,938	12,810
Cash flows from investing activities:
Acquisition of property, plant and equipment	(4,557)	(4,278)
Payment of transaction expenses associated with divestiture of business		(472)
Other investing activities, net	(554)	(1,232)
Net cash used in investing activities	(5,111)	(5,982)
Cash flows from financing activities:
Long-term borrowings - loan	3,500	11,000
Long-term borrowings - repayment	(7,500)	(18,400)
Dividends paid to stockholders	(5,328)	(5,286)
Other financing activities, net	(72)	(155)
Net cash used in financing activities	(9,400)	(12,841)
Effects of foreign currency translation	163	(88)
Net decrease in cash and cash equivalents	(410)	(6,101)
Opening balance - cash and cash equivalents	13,285	15,314
Ending balance - cash and cash equivalents	12,875	9,213
Accrued capital spending included in accounts payable and other accrued liabilities	$ 509	$ 783