FAIR VALUE FAIR VALUE (Financial Assets and Liabilities Not Required to Be Measured at Fair Value) (Details) - USD ($) $ in Thousands		Aug. 31, 2016	Aug. 31, 2015
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		$ 1,075,641	$ 1,287,992
$400 million notes at 6.50% due July 2017
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		330,000	330,000
$400 million notes at 6.50% due July 2017 | Level 2 | Carrying Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	330,000	330,000
$400 million notes at 6.50% due July 2017 | Level 2 | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	332,010	300,630
$500 million notes at 7.35% due August 2018
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		408,874	513,680
$500 million notes at 7.35% due August 2018 | Level 2 | Carrying Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	408,874	513,680
$500 million notes at 7.35% due August 2018 | Level 2 | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	432,303	530,000
$330 million notes at 4.875% due May 2023
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities		302,601	405,573
$330 million notes at 4.875% due May 2023 | Level 2 | Carrying Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	302,601	405,573
$330 million notes at 4.875% due May 2023 | Level 2 | Fair Value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Financial liabilities	[1]	$ 311,250	$ 419,400

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