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Income Taxes - Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 26, 2014	Apr. 27, 2013	Apr. 28, 2012
Reconciliation of Changes in Unrecognized Tax Benefits
Unrecognized tax benefits, beginning balance	$ 379	$ 449	$ 527
Gross increases related to prior period tax positions	16		14
Gross decreases related to prior period tax positions		(11)	(178)
Gross increases related to current period tax positions	99	129	86
Lapse of statute of limitations		(188)
Unrecognized tax benefits, ending balance	$ 494	$ 379	$ 449

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854



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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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