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LONG-TERM DEBT AND OTHER BORROWINGS - Convertible Senior Notes (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2012 | Mar. 26, 2017 | Mar. 26, 2017 | May 31, 2011
Convertible debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Conversion of notes |  | $ 68,800,000 | $ 69,000,000 |
Fixed-rate 1.25% Convertible Notes Due May 15, 2018 (2018 Notes) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount |  |  |  | $ 450,000,000
Senior notes interest rate |  |  |  | 1.25%
Fixed-rate 1.25% Convertible Notes Due May 15, 2018 (2018 Notes) | Convertible debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes interest rate |  | 1.25% | 1.25% |
Fixed-rate 2.625% Convertible Notes Due May 15, 2041 (2041 Notes) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount | $ 700,000,000 |  |  |
Senior notes interest rate | 2.625% |  |  |
Fixed-rate 2.625% Convertible Notes Due May 15, 2041 (2041 Notes) | Convertible debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior notes interest rate |  | 2.625% | 2.625% |
Fixed-rate 2.625% Convertible Notes Due May 15, 2041 (2041 Notes) | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of contingent interest rate (percentage) | 0.60% |  |  |

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