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Fair Value of Financial Instruments - Narrative (Detail) - USD ($) $ in Millions	May. 03, 2015	Apr. 27, 2014
Fair Value Disclosures [Abstract]
Long-term debt	$ 2.2	$ 4.4
Long-term debt, fair value	$ 2.3	$ 4.6

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- References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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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.

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