Other Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 25, 2014	Apr. 26, 2013	Apr. 27, 2012
Compensation and Retirement Disclosure [Abstract]
Employer Match Contribution	$ 452	$ 3,885	$ 1,329
Expenses related to investments of employee deferrals	1,942	1,788
Deferred Compensation Arrangement with Individual, Employer Contribution	$ 580	$ 542	$ 618

The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration