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Sale of Non-Digital Division (Notes)	12 Months Ended
	Apr. 28, 2018
Discontinued Operations and Disposal Groups [Abstract]
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	Note 5. Sale of Non-Digital Division Assets In fiscal 2018, we sold our non-digital division assets, primarily consisting of inventory, non-digital manufacturing equipment, patented and unpatented technology and know-how, customer lists, and backlog, net of warranty obligations and accounts payable with a net book value of $517. We recorded a gain of $1,267 on the disposal, which is included in cost of sales in the International business unit. During fiscal 2017, we recognized an impairment loss of $830 on intangible assets related to the technology and customer list. See "Note 6. Goodwill and Intangible Assets" for further information.

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- References

No definition available.

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- Definition

The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

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