Basis Of Presentation And Consolidation (Consolidated Statement Of Cash Flows) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Jun. 30, 2015	Jun. 30, 2014		Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss		$ 4,136	$ (36,034)	[1]	$ 12,342	$ (27,529)	[1]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization					9,274	11,419	[1]
Goodwill and other intangible impairment charge	[1]		62,188			62,188
Gain on sale, disposal and abandonment of assets					142	(35)	[1]
Gain on investments					(159)	(505)	[1]
Equity in income of joint ventures					(1,804)	(2,072)	[1]
Dividends from joint ventures					1,144	1,340	[1]
Stock-based compensation and related net tax benefits					1,422	1,066	[1]
Current and long-term deferred taxes, net					769	(21,829)	[1]
Changes in operating assets and liabilities:
Decrease in accounts receivable, net					4,393	3,901	[1]
Increase in prepaid taxes					(606)	(2,224)	[1]
Increase in other operating assets, net					(594)	(73)	[1]
Increase in accounts payable and other accrued liabilities					(3,366)	296	[1]
Increase in other operating liabilities, net					(1,246)	608	[1]
Net cash provided by operating activities					21,711	26,551	[1]
Cash flows from investing activities:
Acquisition of property, plant and equipment					(6,224)	(3,056)	[1]
Acquisition of joint ventures and businesses, net of cash acquired	[1]					(1,800)
Other investing activities, net					(467)	(855)	[1]
Net cash used by investing activities					(6,691)	(5,711)	[1]
Cash flows from financing activities:
Net borrowings on revolving credit facility	[1]					(51)
Long-term borrowings - loan					26,300	27,500	[1]
Long-term borrowings - repayment					(25,500)	(32,000)	[1]
Dividends paid to stockholders					(13,237)	(15,771)	[1]
Other financing activities, net					(462)	(500)	[1]
Net cash used by financing activities					(12,899)	(20,822)	[1]
Effects of foreign currency translation					(441)	(52)	[1]
Net increase (decrease) in cash and cash equivalents					1,680	(34)	[1]
Opening balance - cash and cash equivalents					6,761	8,672	[1]
Ending balance - cash and cash equivalents		$ 8,441	8,638	[1]	$ 8,441	8,638	[1]
As Previously Reported [Member]
Cash flows from operating activities:
Net loss			(36,317)			(28,107)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization						11,607
Goodwill and other intangible impairment charge			62,188			62,188
Gain on sale, disposal and abandonment of assets						(35)
Gain on investments						(369)
Equity in income of joint ventures						(1,364)
Dividends from joint ventures						1,340
Stock-based compensation and related net tax benefits						1,066
Current and long-term deferred taxes, net						(21,973)
Changes in operating assets and liabilities:
Decrease in accounts receivable, net						3,815
Increase in prepaid taxes						(3,247)
Increase in other operating assets, net						(227)
Increase in accounts payable and other accrued liabilities						1,379
Increase in other operating liabilities, net						608
Net cash provided by operating activities						26,681
Cash flows from investing activities:
Acquisition of property, plant and equipment						(3,056)
Acquisition of joint ventures and businesses, net of cash acquired						(1,800)
Other investing activities, net						(1,037)
Net cash used by investing activities						(5,893)
Cash flows from financing activities:
Net borrowings on revolving credit facility						(51)
Long-term borrowings - loan						27,500
Long-term borrowings - repayment						(32,000)
Dividends paid to stockholders						(15,771)
Other financing activities, net						(500)
Net cash used by financing activities						(20,822)
Effects of foreign currency translation						4
Net increase (decrease) in cash and cash equivalents						(30)
Opening balance - cash and cash equivalents						11,184
Ending balance - cash and cash equivalents			$ 11,154			$ 11,154

[1] As Restated