CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (11,516)	$ (14,132)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	26,460	25,582
Interest expense related to amortization of debt issue costs and debt discount	1,153	3,165
Stock-based compensation	1,016	821
Deferred income taxes	214	55
Net loss (gain) on disposition of property, plant and equipment	373	(673)
Gain on sale of discontinued operations, net of income taxes	(3,117)	(3,110)
Net loss of unconsolidated joint ventures	133	0
Decrease in trade receivables	30,911	31,676
Increase in inventories	(9,754)	(5,960)
Decrease in accounts payable and accrued liabilities	(23,598)	(28,334)
Other changes in operating assets and liabilities, net	(5,530)	(8,133)
Net cash provided by operating activities	6,745	957
Cash flows from investing activities:
Payments for acquisitions	(60,619)	(43,250)
Payments for investments in unconsolidated joint ventures	(1,000)	0
Purchase of property, plant and equipment	(15,944)	(14,407)
Proceeds from disposition of property, plant and equipment	358	789
Proceeds from sale of discontinued operations	4,666	3,813
Net decrease (increase) in long-term receivables and deposits	5,825	(799)
Net change in other assets	24	(466)
Net cash used in investing activities	(66,690)	(54,320)
Cash flows from financing activities:
Net proceeds from issuance of common stock	0	77,957
Net proceeds from issuance of long-term debt	146,200	0
Payments on long-term debt	(7,792)	(15,217)
Employee stock purchases	454	454
Net cash provided by financing activities	138,862	63,194
Net increase in cash and cash equivalents	78,917	9,831
Cash and cash equivalents, beginning of period	75,316	53,782
Cash and cash equivalents, end of period	$ 154,233	$ 63,613