|
LONG-TERM DEBT (Details) - Summary of Long-Term Debt (USD $)
In Thousands, unless otherwise specified
|
Mar. 31, 2015
|
Sep. 30, 2014
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
$ 888,164 |
$ 822,571 |
| less: Current portion, Outstanding Balance |
(9,162) |
(7,886) |
| Long-term debt, Outstanding Balance |
879,002 |
814,685 |
| Original Issuer Discount |
(7,632) |
(9,584) |
| less: Current portion, Original Issuer Discount |
0 |
0 |
| Long-term debt, Original Issuer Discount |
(7,632) |
(9,584) |
| Balance Sheet |
867,477 |
799,187 |
| less: Current portion |
(9,162) |
(7,886) |
| Long-term debt |
858,315 |
791,301 |
| Capitalized Fees & Expenses |
(13,055) |
(13,800) |
| Senior notes due 2022 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
600,000 |
600,000 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
591,091 |
590,447 |
| Capitalized Fees & Expenses |
(8,909) |
(9,553) |
| Coupon Interest Rate |
5.25% |
5.25% |
| Revolver due 2019 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
95,000 |
25,000 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
92,722 |
22,991 |
| Capitalized Fees & Expenses |
(2,278) |
(2,009) |
| Convert. debt due 2017 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
100,000 |
100,000 |
| Original Issuer Discount |
(7,632) |
(9,584) |
| Balance Sheet |
91,555 |
89,382 |
| Capitalized Fees & Expenses |
(813) |
(1,034) |
| Coupon Interest Rate |
4.00% |
4.00% |
| Real estate mortgages [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
15,958 |
16,388 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
15,454 |
15,812 |
| Capitalized Fees & Expenses |
(504) |
(576) |
| ESOP Loans [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
37,845 |
38,946 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
37,588 |
38,684 |
| Capitalized Fees & Expenses |
(257) |
(262) |
| Capital lease - real estate [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
8,044 |
8,551 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
7,875 |
8,370 |
| Capitalized Fees & Expenses |
(169) |
(181) |
| Coupon Interest Rate |
5.00% |
5.00% |
| Non U.S. lines of credit [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
4,491 |
3,306 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
4,491 |
3,306 |
| Capitalized Fees & Expenses |
0 |
0 |
| Non U.S. term loans [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
25,191 |
28,470 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
25,079 |
28,309 |
| Capitalized Fees & Expenses |
(112) |
(161) |
| Other long term debt [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding Balance |
1,635 |
1,910 |
| Original Issuer Discount |
0 |
0 |
| Balance Sheet |
1,622 |
1,886 |
| Capitalized Fees & Expenses |
$ (13) |
$ (24) |