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Notes Payable (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
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Apr. 30, 2011
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| Notes Payable (Additional) (Textuals) [Abstract] | |
| Letters of credit subfacility, maximum borrowing capacity | $ 200,000 |
| Notes Payable (Textuals) [Abstract] | |
| Line of credit facility, maximum borrowing capacity | 200,000 |
| Line of credit expiration date | May 31, 2013 |
| Credit facility restrictivee financial covenant | Company to maintain tangible net worth of not less than $200,000 |
| Taniglble net worth | 449,366 |
| Interest rate on outstanding borrowing under facility | Prime rate or Libor plus 2.00% |
| Percentage of unused Line of Credit Facility Fee | 0.25% |
| Maximum borrrowing under facility | lesser of $200,000 or a percentage of eligible owned inventory |
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Standby Letters of Credit [Member]
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| Notes Payable (Additional) (Textuals) [Abstract] | |
| Letters of credit subfacility, maximum borrowing capacity | 10,000 |
| Notes Payable (Textuals) [Abstract] | |
| Line of credit facility, maximum borrowing capacity | $ 10,000 |
| X | ||||||||||
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- Definition
Maximum borrowing under facility.
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- Definition
Notes Payable Additional Textuals Abstract.
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- Definition
Notes Payable.
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| X | ||||||||||
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- Definition
Percentage of Unused Line of Credit Facility Fee.
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- Definition
Taniglble net worth.
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| X | ||||||||||
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- Definition
Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the conditions for borrowing under the credit facility including the nature of any restrictions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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