Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	May 31, 2019	May 31, 2018
Cash flows from operating activities:
Net income	$ 46,355	$ 99,587
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	39,644	37,009
Asset impairment charges (recoveries), net	63	(1,553)
Exit-related asset impairments	23	0
Inventory write-downs	775	38
Share-based compensation expense	13,437	13,815
Deferred income taxes	9,402	(9,791)
Undistributed equity in earnings of joint ventures	(980)	(1,328)
Loss on disposal of assets, net	252	203
Unrealized foreign exchange loss (gain), net	86	(180)
Bad debt expense, net	63	307
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(9,779)	(61,557)
Inventories	14,832	(58,047)
Income taxes	689	(998)
Prepaid expenses and other current assets	(3,258)	(7,249)
Other long-term assets	735	(1,512)
Accounts payable	(19,482)	26,257
Accrued payroll and related liabilities	(25,315)	2,346
Other accrued liabilities	(3,811)	9,328
Environmental liabilities	(2,637)	2,634
Other long-term liabilities	(4)	3,307
Distributed equity in earnings of joint ventures	1,942	1,025
Net cash provided by operating activities	63,032	53,641
Cash flows from investing activities:
Capital expenditures	(61,000)	(46,096)
Acquisitions	(1,553)	(2,300)
Joint venture receipts, net	641	4
Proceeds from sale of assets	1,641	3,397
Deposit on land option	1,260	0
Net cash used in investing activities	(59,011)	(44,995)
Cash flows from financing activities:
Borrowings from long-term debt	316,676	426,480
Repayments of long-term debt	(282,932)	(402,153)
Payment of debt issuance costs	(102)	0
Repurchases of Class A common stock	(10,087)	(8,778)
Taxes paid related to net share settlement of share-based payment awards	(7,463)	(3,030)
Distributions to noncontrolling interests	(941)	(1,709)
Purchase of noncontrolling interest	0	(600)
Dividends paid	(15,600)	(15,721)
Net cash used in financing activities	(449)	(5,511)
Effect of exchange rate changes on cash	(176)	(332)
Net increase in cash and cash equivalents	3,396	2,803
Cash and cash equivalents as of beginning of period	4,723	7,287
Cash and cash equivalents as of end of period	8,119	10,090
Cash paid during the year for:
Interest	4,831	5,923
Income taxes paid, net	3,436	13,785
Schedule of noncash investing and financing transactions:
Purchases of property, plant and equipment included in current liabilities	$ 9,839	$ 8,105