Debt and Leases Debt (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014
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

Debt and Capital Leases, Future Minimum Payments Due

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Debt and Capital Leases, Future Minimum Payments, Due in Five Years

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Debt and Capital Leases, Future Minimum Payments, Due in Four Years

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Debt and Capital Leases, Future Minimum Payments, Due in Three Years

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Debt and Capital Leases, Future Minimum Payments, Due in Two Years

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Debt and Capital Leases, Future Minimum Payments, Due Thereafter

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Debt and Capital Leases minimum payment due in less than 12 months

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