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Lease Commitments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 03, 2014	Apr. 27, 2013	Apr. 28, 2012
Leases [Abstract]
Rental expense under non-cancelable operating leases	$ 5.6	$ 4.6	$ 4.7
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	5.2
2015	4.8
2016	1.6
2017	0.8
2018	$ 0.4

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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