CONDENSED CONSOLIDATED 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 loss	$ (18,114)	$ (11,516)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	25,856	26,460
Interest expense related to amortization of debt issue costs and debt discount	5,042	1,153
Stock-based compensation	1,339	1,016
Deferred income taxes	477	214
Net loss on disposition of property, plant and equipment	113	373
Loss (gain) on sale of discontinued operations, net of income taxes	241	(3,117)
Net loss of unconsolidated joint ventures	234	133
Decrease in trade receivables	28,347	30,911
Increase in inventories	(10,628)	(9,754)
Decrease in accounts payable and accrued liabilities	(47,580)	(23,598)
Other changes in operating assets and liabilities, net	(8,769)	(5,530)
Net cash provided by (used in) operating activities	(23,442)	6,745
Cash flows from investing activities:
Business acquisitions	(1,200)	(60,619)
Investments in unconsolidated joint ventures	(125)	(1,000)
Purchase of property, plant and equipment	(17,474)	(15,944)
Proceeds from disposition of property, plant and equipment	640	358
Proceeds from sale of discontinued operations	0	4,666
Net decrease in long-term receivables and deposits	3,650	5,825
Net change in other assets	(344)	24
Net cash provided by (used in) investing activities	(14,853)	(66,690)
Cash flows from financing activities:
Net proceeds from issuance of long-term debt	414,675	146,200
Payments on long-term debt	(448,736)	(7,792)
Dividends paid to non-controlling interest in consolidated subsidiary	(927)	0
Employee stock purchases	464	454
Net cash provided by (used in) financing activities	(34,524)	138,862
Net increase (decrease) in cash and cash equivalents	(72,819)	78,917
Cash and cash equivalents, beginning of period	152,542	75,316
Cash and cash equivalents, end of period	$ 79,723	$ 154,233