| **Long Term Debt Instruments Long Term Debt (Tables)** | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                   |
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| **Long-term Debt, Unclassified [Abstract]**            |                                                                                                                                                                                                                                                                                                                                                                             |
| Schedule of Long-term Debt Instruments                 | Our long-term debt as of July 31, 2016 and October 31, 2015 is presented below.In thousandsJuly 31, 2016 October 31, 2015Principal$1,835,000 $1,575,000Unamortized debt issuance expenses and discounts(13,816) (11,323)Total1,821,184 1,563,677Less current maturities— 40,000Total long-term debt$1,821,184 $1,523,677 |

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No definition available.
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| - Definition
Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.
+ References
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