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