Long-Term Debt - Summary of Long-Term Debt Carrying Values Including Unamortized Discounts and Premiums (Detail) - USD ($)
$ in Thousands |
May 31, 2016 |
Nov. 30, 2015 |
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 5,406,624
|
$ 5,640,722
|
| Secured Debt [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
21,619
|
0
|
| Secured Debt [Member] | Class A Notes, Due 2022 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 14,382
|
0
|
| Effective interest rate |
6.75%
|
|
| Secured Debt [Member] | Class B Notes, Due 2022 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 7,237
|
0
|
| Effective interest rate |
13.45%
|
|
| Unsecured Debt [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 5,385,005
|
5,640,722
|
| Unsecured Debt [Member] | 5.5% Senior Notes, due 2016 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 0
|
353,025
|
| Debt instrument interest rate |
5.50%
|
|
| Effective interest rate |
2.52%
|
|
| Unsecured Debt [Member] | 5.125% Senior Notes, due 2018 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 824,109
|
830,298
|
| Debt instrument interest rate |
5.125%
|
|
| Effective interest rate |
3.46%
|
|
| Unsecured Debt [Member] | 8.5% Senior Notes, due 2019 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 792,385
|
806,125
|
| Debt instrument interest rate |
8.50%
|
|
| Effective interest rate |
4.00%
|
|
| Unsecured Debt [Member] | 2.375% Euro Medium Term Notes, due 2020 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 554,219
|
526,436
|
| Debt instrument interest rate |
2.375%
|
|
| Effective interest rate |
2.42%
|
|
| Unsecured Debt [Member] | 6.875% Senior Note, due 2021 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 831,363
|
838,765
|
| Debt instrument interest rate |
6.875%
|
|
| Effective interest rate |
4.40%
|
|
| Unsecured Debt [Member] | 2.25% Euro Medium Term Notes, due 2022 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 4,007
|
3,779
|
| Debt instrument interest rate |
2.25%
|
|
| Effective interest rate |
4.08%
|
|
| Unsecured Debt [Member] | 5.125% Senior Notes, due 2023 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 619,637
|
620,890
|
| Debt instrument interest rate |
5.125%
|
|
| Effective interest rate |
4.55%
|
|
| Unsecured Debt [Member] | 6.45% Senior Debentures, due 2027 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 378,771
|
379,711
|
| Debt instrument interest rate |
6.45%
|
|
| Effective interest rate |
5.46%
|
|
| Unsecured Debt [Member] | 3.875% Convertible Senior Debentures due 2029 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 346,814
|
347,307
|
| Debt instrument interest rate |
3.875%
|
|
| Effective interest rate |
3.50%
|
|
| Unsecured Debt [Member] | 6.25% Senior Debentures, due 2036 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 512,566
|
512,730
|
| Debt instrument interest rate |
6.25%
|
|
| Effective interest rate |
6.03%
|
|
| Unsecured Debt [Member] | 6.50% Senior Notes, due 2043 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 421,497
|
421,656
|
| Debt instrument interest rate |
6.50%
|
|
| Effective interest rate |
6.09%
|
|
| Unsecured Debt [Member] | Fixed Rate Step-Up Callable Notes, due May 26, 2016 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 6,644
|
0
|
| Unsecured Debt [Member] | Fixed to Floating Rate Structured Notes, due February 26, 2019 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
10,859
|
0
|
| Unsecured Debt [Member] | Fixed to Floating Rate Structured Notes, Due May 6, 2026 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
4,978
|
0
|
| Unsecured Debt [Member] | Fixed Rate Step-Up Callable Notes, Due May 26, 2026 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
47,055
|
0
|
| Unsecured Debt [Member] | Variable Rate Structured Notes, due February 18, 2028 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt |
$ 30,101
|
$ 0
|