XML 75 R51.htm IDEA: XBRL DOCUMENT v2.4.0.8

Employee 401(k) Savings Plan (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 03, 2014	Apr. 27, 2013	Apr. 28, 2012
Compensation and Retirement Disclosure [Abstract]
Employer matching contribution, percent	3.00%
Employer 401(k) contribution	$ 1.4	$ 1.3	$ 1.3

X

- Details

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration