FAIR VALUE FAIR VALUE (Financial Assets and Liabilities Not Required to Be Measured at Fair Value) (Details) - USD ($) $ in Thousands		Aug. 31, 2020	Aug. 31, 2019
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		$ 1,092,266	$ 1,254,921
2027 Notes
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		300,000	300,000
2027 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	319,377	303,810
2026 Notes
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		350,000	350,000
2026 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	367,374	363,444
2023 Notes
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		330,000	330,000
2023 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	345,335	342,098
Short-term borrowings
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		0	3,929
Short-term borrowings | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		0	3,929
2022 Term Loan | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[2]	0	210,125
Revolving credit agreement | 2022 Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		0	210,125
Revolving credit agreement | Poland Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		40,713	0
Revolving credit agreement | Poland Term Loan | Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		$ 40,713	$ 0

[1] (1) The fair value of the notes was determined based on indicated market values.

[2] The Poland Term Loan, Term Loan and short-term borrowings contain variable interest rates and carrying value approximates fair value.