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Debt and Leases Debt (Details) (USD $) In Thousands, unless otherwise specified | Jan. 31, 2014
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Debt Instrument [Line Items] |
Debt and Capital Leases, minimum payment due in less than 12 months | $ 414
Debt and Capital Leases, Future Minimum Payments, Due in Two Years | 386
Debt and Capital Leases, Future Minimum Payments, Due in Three Years | 282
Debt and Capital Leases, Future Minimum Payments, Due in Four Years | 260
Debt and Capital Leases, Future Minimum Payments, Due in Five Years | 25,299
Debt and Capital Leases, Future Minimum Payments, Due Thereafter | 6,061
Debt and Capital Leases, Future Minimum Payments Due | $ 32,702

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