BANK BORROWINGS AND LONG-TERM DEBT - Borrowings Outstanding (Details) - USD ($)
$ in Thousands |
Mar. 31, 2019 |
Feb. 28, 2019 |
Jul. 31, 2018 |
Mar. 31, 2018 |
Feb. 28, 2013 |
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 3,065,154
|
|
|
|
|
| Debt issuance costs |
(10,639)
|
|
|
$ (13,815)
|
|
| Long-term debt, net of debt issuance cost |
3,054,515
|
|
|
2,940,642
|
|
| Current portion, net of debt issuance costs |
(632,611)
|
|
|
(43,011)
|
|
| Non-current portion |
2,421,904
|
|
|
2,897,631
|
|
| 4.625% Notes due February 2020 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 500,000
|
|
|
500,000
|
|
| Debt instrument interest rate |
4.625%
|
|
|
|
4.625%
|
| Term Loan, including current portion, due in installments through November 2021 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 671,563
|
|
|
687,813
|
|
| Term Loan, including current portion, due in installments through June 2022 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
458,531
|
|
|
483,656
|
|
| 5.000% Notes due February 2023 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 500,000
|
|
|
500,000
|
|
| Debt instrument interest rate |
5.00%
|
|
|
|
5.00%
|
| 4.750% Notes due June 2025 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 596,815
|
|
|
596,387
|
|
| Debt instrument interest rate |
4.75%
|
|
|
|
|
| India Facilities |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
$ 170,206
|
|
|
0
|
|
| Other Debt |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Carrying amount |
168,039
|
|
|
$ 186,601
|
|
| Term Loan | 4.625% Notes due February 2020 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Borrowings outstanding |
91,400
|
|
|
|
|
| Borrowing capacity |
|
$ 100,000
|
|
|
|
| Term Loan | 4.750% Notes due June 2025 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Borrowings outstanding |
78,800
|
|
$ 78,800
|
|
|
| Borrowing capacity |
|
|
200,000
|
|
|
| Term Loan | Term Loan Facility Due September 2023 |
|
|
|
|
|
| Bank borrowings and long-term debt |
|
|
|
|
|
| Borrowings outstanding |
$ 91,400
|
|
|
|
|
| Borrowing capacity |
|
|
$ 200,000
|
|
|