Income Taxes (Schedule Of Significant Components Of Deferred Tax Liabilities And Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Jan. 31, 2014
Income Tax Disclosure [Abstract]
Depreciation and amortization	$ 60,235	$ 70,800
Capitalized marketing program costs	5,420	4,722
Goodwill	6,050	6,108
Deferred costs currently deductible	7,605	6,094
Deferred Tax Liabilities, Undistributed Foreign Earnings	5,598	0
Other, net	7,796us-gaap_DeferredTaxLiabilitiesOther	7,491us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liability	92,704us-gaap_DeferredIncomeTaxLiabilities	95,215us-gaap_DeferredIncomeTaxLiabilities
Accrued liabilities	47,083	50,665
Loss carryforwards	96,199	125,914
Deferred Tax Assets, Goodwill and Intangible Assets	7,930	11,915
Depreciation and amortization	7,132	7,699
Disallowed interest expense	31,898	38,481
Other, net	10,359us-gaap_DeferredTaxAssetsOther	10,149us-gaap_DeferredTaxAssetsOther
Deferred tax assets, gross, total	200,601us-gaap_DeferredTaxAssetsGross	244,823us-gaap_DeferredTaxAssetsGross
Less: valuation allowances	(71,499)	(101,340)
Total deferred tax assets	129,102us-gaap_DeferredTaxAssetsNet	143,483us-gaap_DeferredTaxAssetsNet
Deferred Tax Assets, Net	$ 36,398us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 48,268us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred Tax Assets, Depreciation And Amortization

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Deferred Tax Liabilities, Depreciation And Amortization

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from other capitalized costs not separately disclosed.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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