Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Cash flows from operating activities:
Net loss	$ (708)	$ (4,967)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation and amortization	12,543	14,828
Exit-related asset impairment charges	158	0
Other asset impairment charges	401	0
Share-based compensation expense	3,408	2,937
Deferred income taxes	(60)	(513)
Inventory write-down	0	478
Undistributed equity in earnings of joint ventures	(412)	29
Loss on disposal of assets	45	21
Unrealized foreign exchange gain, net	(23)	(57)
Bad debt expense, net	17	47
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(1,546)	38,369
Inventories	(12,586)	4,797
Income taxes	(150)	(219)
Prepaid expenses and other current assets	(614)	1,578
Other long-term assets	164	202
Accounts payable	14,343	(5,026)
Accrued payroll and related liabilities	(10,080)	(8,311)
Other accrued liabilities	899	(3,534)
Environmental liabilities	(29)	(514)
Other long-term liabilities	(193)	381
Distributed equity in earnings of joint ventures	350	100
Net cash provided by operating activities	5,927	40,626
Cash flows from investing activities:
Capital expenditures	(10,603)	(9,341)
Joint venture payments, net	(55)	(4)
Proceeds from sale of assets	73	730
Net cash used in investing activities	(10,585)	(8,615)
Cash flows from financing activities:
Borrowings from long-term debt	102,631	11,439
Repayment of long-term debt	(107,491)	(35,976)
Proceeds from line of credit	0	53,500
Repayment of line of credit	0	(53,500)
Payment of debt issuance costs	(53)	0
Taxes paid related to net share settlement of share-based payment arrangements	(3,301)	(1,887)
Repurchase of Class A common stock	0	(3,479)
Distributions to noncontrolling interest	(522)	(827)
Dividends paid	(5,185)	(5,100)
Net cash used in financing activities	(13,921)	(35,830)
Effect of exchange rate changes on cash	(140)	(11)
Net decrease in cash and cash equivalents	(18,719)	(3,830)
Cash and cash equivalents as of beginning of period	26,819	22,755
Cash and cash equivalents as of end of period	$ 8,100	$ 18,925