Debt (Schedule Of Future Payments Of Debt And Capital Leases) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013
Debt Disclosure [Abstract]
2014	$ 167,768
2015	793
2016	751
2017	668
2018	350,668
Thereafter	4,459
Total payments	525,107
Less - amounts representing interest on capital leases	(1,889)
Total principal payments	$ 523,218

Long-term Debt and Capital Lease Obligations, Future Minimum Payments Due

No definition available.

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- Definition

Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five

+ References

No definition available.

+ Details

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- Definition

Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five

+ References

No definition available.

+ Details

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- Definition

Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four

+ References

No definition available.

+ Details

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- Definition

Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three

+ References

No definition available.

+ Details

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- Definition

Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two

+ References

No definition available.

+ Details

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- Definition

Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months

+ References

No definition available.

+ Details

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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 16

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 7

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

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