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Debt Future Maturities on Long Term Debt (Details) (USD $) In Thousands, unless otherwise specified	Apr. 27, 2013
Debt Disclosure [Abstract]
Long-term Debt, Maturities, Repayments of Principal Three Months, May-July	$ 1,563
Fiscal 2014	7,813
Fiscal 2015	10,938
Fiscal 2016	14,063
Fiscal 2017	17,186
Fiscal 2018	107,875
Thereafter	$ 277,500

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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