CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (8,125)	$ 3,342
Net cash provided by (used in) operating activities	49,856	2,554
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(54,859)	(45,886)
Acquired businesses, net of cash acquired	(62,306)	0
Intercompany distributions	0	0
Investment purchases	(8,402)	0
Proceeds from sale of investment	491	1,326
Net cash used in investing activities	(125,076)	(44,560)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	584	0
Purchase of shares for treasury	(72,518)	(25,689)
Proceeds from long-term debt	682,913	303
Payments of long-term debt	(602,134)	(12,842)
Change in short-term borrowings	3,138	2,408
Financing costs	(10,928)	(759)
Purchase of ESOP shares	(10,000)	0
Tax effect from exercise/vesting of equity awards, net	273	150
Dividend	(4,841)	(4,384)
Other, net	194	261
Net cash used in financing activities	(13,319)	(40,552)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	(1,018)	(486)
Effect of exchange rate changes on cash and equivalents	(1,136)	(506)
NET DECREASE IN CASH AND EQUIVALENTS	(90,693)	(83,550)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	178,130	209,654
CASH AND EQUIVALENTS AT END OF PERIOD	87,437	126,104
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(8,125)	3,342
Net cash provided by (used in) operating activities	(10,966)	(67,628)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(672)	(33)
Acquired businesses, net of cash acquired	0
Intercompany distributions	10,000	10,000
Investment purchases	(8,402)
Proceeds from sale of investment	0	0
Net cash used in investing activities	926	9,967
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	584
Purchase of shares for treasury	(72,518)	(25,689)
Proceeds from long-term debt	649,568	0
Payments of long-term debt	(597,613)	(1,751)
Change in short-term borrowings	0	0
Financing costs	(10,393)	(759)
Purchase of ESOP shares	(10,000)
Tax effect from exercise/vesting of equity awards, net	273	150
Dividend	(9,841)	(4,384)
Other, net	194	261
Net cash used in financing activities	(49,746)	(32,172)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	0	0
Effect of exchange rate changes on cash and equivalents	0	0
NET DECREASE IN CASH AND EQUIVALENTS	(59,786)	(89,833)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	68,994	125,093
CASH AND EQUIVALENTS AT END OF PERIOD	9,208	35,260
Guarantor Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	32,818	16,571
Net cash provided by (used in) operating activities	(8,300)	23,214
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(45,749)	(40,324)
Acquired businesses, net of cash acquired	(1,000)
Intercompany distributions	(10,000)	(10,000)
Investment purchases	0
Proceeds from sale of investment	298	1,172
Net cash used in investing activities	(56,451)	(49,152)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	0
Purchase of shares for treasury	0	0
Proceeds from long-term debt	(253)	303
Payments of long-term debt	(708)	(772)
Change in short-term borrowings	0	0
Financing costs	0	0
Purchase of ESOP shares	0
Tax effect from exercise/vesting of equity awards, net	0	0
Dividend	5,000	0
Other, net	54,869	14,661
Net cash used in financing activities	58,908	14,192
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	0	0
Effect of exchange rate changes on cash and equivalents	0	0
NET DECREASE IN CASH AND EQUIVALENTS	(5,843)	(11,746)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	25,343	34,782
CASH AND EQUIVALENTS AT END OF PERIOD	19,500	23,036
Non-Guarantor Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	33,066	16,503
Net cash provided by (used in) operating activities	69,122	46,968
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(8,438)	(5,529)
Acquired businesses, net of cash acquired	(61,306)
Intercompany distributions	0	0
Investment purchases	0
Proceeds from sale of investment	193	154
Net cash used in investing activities	(69,551)	(5,375)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	0
Purchase of shares for treasury	0	0
Proceeds from long-term debt	33,598	0
Payments of long-term debt	(3,813)	(10,319)
Change in short-term borrowings	3,138	2,408
Financing costs	(535)	0
Purchase of ESOP shares	0
Tax effect from exercise/vesting of equity awards, net	0	0
Dividend	0	0
Other, net	(54,869)	(14,661)
Net cash used in financing activities	(22,481)	(22,572)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	(1,018)	(486)
Effect of exchange rate changes on cash and equivalents	(1,136)	(506)
NET DECREASE IN CASH AND EQUIVALENTS	(25,064)	18,029
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	83,793	49,779
CASH AND EQUIVALENTS AT END OF PERIOD	58,729	67,808
Elimination [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(65,884)	(33,074)
Net cash provided by (used in) operating activities	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	0	0
Acquired businesses, net of cash acquired	0
Intercompany distributions	0	0
Investment purchases	0
Proceeds from sale of investment	0	0
Net cash used in investing activities	0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	0
Purchase of shares for treasury	0	0
Proceeds from long-term debt	0	0
Payments of long-term debt	0	0
Change in short-term borrowings	0	0
Financing costs	0	0
Purchase of ESOP shares	0
Tax effect from exercise/vesting of equity awards, net	0	0
Dividend	0	0
Other, net	0	0
Net cash used in financing activities	0	0
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in discontinued operations	0	0
Effect of exchange rate changes on cash and equivalents	0	0
NET DECREASE IN CASH AND EQUIVALENTS	0	0
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	0	0
CASH AND EQUIVALENTS AT END OF PERIOD	$ 0	$ 0