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Disclosures about Fair Value of Financial Instruments - Additional Information (Detail) (USD $) | Jan. 31, 2015 | Feb. 01, 2014 | Feb. 02, 2013
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Fair value of long-term debt | $ 1,730,000,000 us-gaap_LongTermDebtFairValue | $ 1,340,000,000 us-gaap_LongTermDebtFairValue | $ 911,000,000 us-gaap_LongTermDebtFairValue
Carrying value of long-term debt | $ 1,623,864,000 us-gaap_LongTermDebtNoncurrent | $ 1,274,216,000 us-gaap_LongTermDebtNoncurrent | $ 774,600,000 us-gaap_LongTermDebtNoncurrent

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- Details
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Balance Type: | na
Period Type: | duration

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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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Period Type: | instant