CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2018	Feb. 28, 2017
Cash flows from (used by) operating activities:
Net earnings	$ 46,980	$ 36,607
Adjustments to reconcile net earnings to cash flows from (used by) operating activities:
Depreciation and amortization	66,316	60,789
Stock-based compensation	13,338	16,156
Amortization of interest rate swaps termination gain	12,774	553
Deferred income taxes & other long-term taxes	(9,420)	(9,380)
Net (gain) loss on disposals of assets and other	2,048	1,381
Provision for losses on receivables, net	1,296	1,205
Net (gain) loss on disposals of assets and other	518	(195)
Amortization of interest rate swaps termination gain	0	(3,798)
Changes in operating assets and liabilities	(85,063)	(91,335)
Net cash flows from operating activities	48,787	11,983
Cash flows from (used by) investing activities:
Capital expenditures	(101,028)	(90,808)
Proceeds from settlement of life insurance policies	25,000	0
Decrease in restricted cash, net	13,996	21,033
Acquisitions	(6,980)	(25,366)
Proceeds from the sale of subsidiaries	7,406	524
Proceeds from the sale of property, plant and equipment and other	631	700
Net cash flows used by investing activities	(60,975)	(93,917)
Cash flows from (used by) financing activities:
Cash dividends	(27,995)	(27,726)
Repayments on long-term debt	(10,106)	(6,148)
Stock issued under incentive and purchase plans, net of forfeitures	(7,394)	(5,408)
Contribution from noncontrolling interests	13	13
Increase (decrease) in documentary letters of credit, net	10	(5)
Net cash flows used by financing activities	(45,472)	(39,274)
Effect of exchange rate changes on cash	249	(790)
Decrease in cash and cash equivalents	(57,411)	(121,998)
Cash and cash equivalents at beginning of year	252,595	517,544
Cash and cash equivalents at end of period	195,184	395,546
Noncash activities:
Liabilities related to additions of property, plant and equipment	$ 30,374	$ 35,184