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Line Of Credit Facility - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 6 Months Ended | 6 Months Ended | |||
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Apr. 30, 2012
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Apr. 30, 2012
Unrealized Loss on Derivatives
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Apr. 30, 2012
Forward starting swaps
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Apr. 30, 2012
Interest Rate Swap
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Oct. 31, 2011
Interest Rate Swap
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Apr. 30, 2012
Five Year Syndicated Credit Facility
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| Line of Credit Facility [Line Items] | ||||||
| Syndicated line of credit, maximum capacity | $ 650.0 | |||||
| Syndicated line of credit facility, expiration date | 2016-09-08 | |||||
| Syndicated line of credit, optional maximum capacity at any time prior to the expiration (subject to receipt of commitments for the increased amount from existing and new lenders) | 850.0 | |||||
| Description of covenants under the Facility | (1) a fixed charge coverage ratio; (2) a leverage ratio; and (3) a combined net worth test. | |||||
| Line of credit, amount outstanding | 266.0 | |||||
| Line of credit, borrowing capacity currently available | 287.3 | |||||
| Derivative agreement date | Oct. 19, 2010 | |||||
| Description of derivative agreement | The Company entered into a three-year forward starting interest rate swap agreement with an underlying notional amount of $25.0 million, pursuant to which the Company receives variable interest payments based on LIBOR and pays fixed interest at a rate of 0.89%. The effective date of this hedge was February 24, 2011. This swap is intended to hedge the interest risk associated with the Company's forecasted floating-rate, LIBOR-based debt. | |||||
| Interest rate swap agreement period | 3 years | |||||
| Notional amount of derivatives | 25.0 | |||||
| Derivative, fixed interest rate | 0.89% | |||||
| Derivative, effective date | Feb. 24, 2011 | |||||
| Fair value of interest rate swaps | 0.2 | 0.3 | ||||
| Effective portion of cash flow hedges included in accumulated other comprehensive loss, before tax | 0.2 | 0.3 | ||||
| Effective portion of cash flow hedges included in accumulated other comprehensive loss, net of tax | 0.1 | 0.2 | ||||
| Unrealized net losses related to the interest rate swap contract | $ 0.1 |