CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net loss	$ (14,132)	$ (44,306)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	25,582	26,196
Interest expense related to amortization of debt issue costs and debt discount	3,165	5,863
Stock-based compensation	821	923
Deferred income taxes	55	27
Net gain on disposition of property, plant and equipment	(673)	(429)
Gain on sale of discontinued operations, net of income taxes	(3,110)	0
Gain on convertible debt repayment	(35)	(2,025)
Non-cash restructuring costs	0	971
Net loss of unconsolidated joint ventures	0	6,069
Decrease in trade receivables	31,676	23,245
Increase in inventories	(5,960)	(717)
Decrease in accounts payable and accrued liabilities	(28,334)	(15,043)
Other changes in operating assets and liabilities, net	(8,098)	7,270
Net cash provided by operating activities	957	8,044
Cash flows from investing activities:
Payment for acquisition	(43,250)	0
Purchase of property, plant and equipment	(14,407)	(11,832)
Proceeds from disposition of property, plant and equipment	789	1,093
Proceeds from sale of discontinued operations	3,813	0
Proceeds from sale of interests in joint ventures	0	8,636
Net change in other assets	(1,265)	(1,514)
Net cash used in investing activities	(54,320)	(3,617)
Cash flows from financing activities:
Net proceeds from issuance of common stock	77,957	0
Payments on long-term debt	(15,217)	(17,441)
Employee stock purchases	454	284
Net cash provided by (used in) financing activities	63,194	(17,157)
Net increase (decrease) in cash and cash equivalents	9,831	(12,730)
Cash and cash equivalents, beginning of period	53,782	50,810
Cash and cash equivalents, end of period	$ 63,613	$ 38,080