XML 99 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8

Nature of Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 26, 2014	Apr. 27, 2013	Apr. 28, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Sales returns, reserve	$ 14	$ 73
Deferred revenue period for recognition of product maintenance contracts	10 years
Percentage of net sales from services	8.40%	9.00%	9.00%

X

- Definition

Revenue Recognition, Period of Deferred Revenue Recognition

+ References

No definition available.

+ Details

Name:	dakt_RevenueRecognitionPeriodOfDeferredRevenueRecognition
Namespace Prefix:	dakt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of net service revenue to total net revenue from the sale of services as of year end.

+ References

No definition available.

+ Details

Name:	dakt_SalesRevenueServicesNetPercentage
Namespace Prefix:	dakt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Definition

Amount of estimated sales returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 15

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6406750&loc=d3e47468-111626

+ Details

Name:	us-gaap_RevenueRecognitionSalesReturnsReserveForSalesReturns
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration