CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - Summary of Condensed Consolidating Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) $ 12,593 $ (22,589)
Net cash provided by (used in) operating activities (43,051) (26,576)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Acquisition of property, plant and equipment (39,713) (34,845)
Acquired businesses, net of cash acquired 0 (22,781)
Intercompany distributions 0 0
Proceeds from sale of investments (8,891) 0
Proceeds from sale of assets 177 294
Net cash used in investing activities (30,645) (57,332)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock 285 584
Purchase of shares for treasury (37,577) (63,370)
Proceeds from long-term debt 99,556 644,514
Payments of long-term debt (29,425) (586,310)
Change in short-term borrowings (572) 4,908
Financing costs (590) (10,687)
Purchase of ESOP shares 0 (10,000)
Tax effect from exercise/vesting of equity awards, net 345 273
Dividend (3,911) (3,290)
Other, net 95 144
Net cash provided by (used in) financing activities 28,206 (23,234)
CASH FLOWS FROM DISCONTINUED OPERATIONS:    
Net cash used in discontinued operations (545) (640)
Effect of exchange rate changes on cash and equivalents (3,768) (415)
NET DECREASE IN CASH AND EQUIVALENTS (49,803) (108,197)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD 92,405 178,130
CASH AND EQUIVALENTS AT END OF PERIOD 42,602 69,933
Parent Company [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) 12,593 (22,589)
Net cash provided by (used in) operating activities (49,888) (30,836)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Acquisition of property, plant and equipment (188) (618)
Acquired businesses, net of cash acquired   0
Intercompany distributions 10,000 10,000
Proceeds from sale of investments (8,891)  
Proceeds from sale of assets 0 0
Net cash used in investing activities 18,703 9,382
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock 285 584
Purchase of shares for treasury (37,577) (63,370)
Proceeds from long-term debt 97,000 629,568
Payments of long-term debt (28,101) (582,108)
Change in short-term borrowings 0 0
Financing costs (590) (10,142)
Purchase of ESOP shares   (10,000)
Tax effect from exercise/vesting of equity awards, net 345 273
Dividend (3,911) (8,290)
Other, net 95 144
Net cash provided by (used in) financing activities 27,546 (43,341)
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 (3,639) (64,795)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD 6,813  
CASH AND EQUIVALENTS AT END OF PERIOD 3,174 4,199
Guarantor Companies [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) 22,921 20,417
Net cash provided by (used in) operating activities (451) (27,389)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Acquisition of property, plant and equipment (30,584) (29,921)
Acquired businesses, net of cash acquired   (1,000)
Intercompany distributions (10,000) (10,000)
Proceeds from sale of investments 0  
Proceeds from sale of assets 12 230
Net cash used in investing activities (40,572) (40,691)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock 0 0
Purchase of shares for treasury 0 0
Proceeds from long-term debt 0 10,939
Payments of long-term debt (717) (12,097)
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 5,000
Other, net 21,021 43,140
Net cash provided by (used in) financing activities 20,304 46,982
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 (20,719) (21,098)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD 31,522  
CASH AND EQUIVALENTS AT END OF PERIOD 10,803 25,259
Non-Guarantor Companies [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) 21,510 20,576
Net cash provided by (used in) operating activities 7,288 31,649
CASH FLOWS FROM INVESTING ACTIVITIES:    
Acquisition of property, plant and equipment (8,941) (4,306)
Acquired businesses, net of cash acquired   (21,781)
Intercompany distributions 0 0
Proceeds from sale of investments     
Proceeds from sale of assets 165 64
Net cash used in investing activities (8,776) (26,023)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock 0 0
Purchase of shares for treasury 0 0
Proceeds from long-term debt 2,556 4,007
Payments of long-term debt (607) 7,895
Change in short-term borrowings (572) 4,908
Financing costs 0 (545)
Purchase of ESOP shares   0
Tax effect from exercise/vesting of equity awards, net 0 0
Dividend 0 0
Other, net (21,021) (43,140)
Net cash provided by (used in) financing activities (19,644) (26,875)
CASH FLOWS FROM DISCONTINUED OPERATIONS:    
Net cash used in discontinued operations (545) (640)
Effect of exchange rate changes on cash and equivalents (3,768) (415)
NET DECREASE IN CASH AND EQUIVALENTS (25,445) (22,304)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD 54,070  
CASH AND EQUIVALENTS AT END OF PERIOD 28,625 40,475
Elimination [Member]    
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from sale of investments 0  
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock 0  
Elimination [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) (44,431) (40,993)
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
Proceeds from sale of assets 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 provided by (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  
CASH AND EQUIVALENTS AT END OF PERIOD $ 0 $ 0