CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net loss	$ (23,748)	$ (20,687)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	13,182	15,086
Non-cash restructuring costs	646	0
Interest expense related to amortization of debt issue costs and debt discount	3,049	3,237
Stock-based compensation	624	1,061
Deferred income taxes	0	(128)
Net loss (gain) of unconsolidated joint ventures	6,069	(615)
Net gain on disposition of property, plant and equipment	(123)	(331)
Gain on convertible debt repayment	(2,025)	0
Decrease in trade receivables	30,606	21,697
Decrease (increase) in inventories	(283)	1,007
Decrease in accounts payable and accrued liabilities	(21,972)	(23,714)
Other changes in operating assets and liabilities, net	(3,161)	(1,840)
Net cash provided by (used in) operating activities	2,864	(5,227)
Cash flows from investing activities:
Purchase of property, plant and equipment	(6,619)	(5,203)
Proceeds from disposition of property, plant and equipment	136	391
Net increase in long-term receivables and deposits	(132)	(785)
Payments for acquisitions	0	(2,500)
Net change in other assets	(95)	147
Net cash used in investing activities	(6,710)	(7,950)
Cash flows from financing activities:
Payments on long-term debt	(5,476)	(10,044)
Employee stock purchases	235	235
Net cash used in financing activities	(5,241)	(9,809)
Net decrease in cash and cash equivalents	(9,087)	(22,986)
Cash and cash equivalents, beginning of period	50,810	90,984
Cash and cash equivalents, end of period	$ 41,723	$ 67,998