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Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Apr. 29, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Property and Equipment

Property and equipment is stated at cost and depreciated principally on the straight-line method over the following estimated useful lives:

	Years
Buildings	7 - 40
Machinery and equipment	5 - 7
Office furniture and equipment	3 - 5
Computer software and hardware	3 - 5
Equipment held for rental	2 - 7
Demonstration equipment	3 - 5
Transportation equipment	5 - 7

Property and equipment consisted of the following:

	April 29, 2017				April 30, 2016
Land	$	2,099			$	2,155
Buildings	65,935				65,247
Machinery and equipment	84,189				82,973
Office furniture and equipment	5,604				14,746
Computer software and hardware	51,523				48,917
Equipment held for rental	374				374
Demonstration equipment	7,109				8,026
Transportation equipment	7,108				6,596
	223,941				229,034
Less accumulated depreciation	157,192				155,871
	$	66,749			$	73,163

Schedule of Earnings Per Share Reconciliation

The following is a reconciliation of the income and common share amounts used in the calculation of basic and diluted EPS for the fiscal years ended 2017, 2016 and 2015:

	Net income				Shares			Per share income
For the year ended April 29, 2017:
Basic earnings per share	$	10,342			44,114			$	0.23
Dilution associated with stock compensation plans	—				189			—
Diluted earnings per share	$	10,342			44,303			$	0.23
For the year ended April 30, 2016:
Basic earnings per share	$	2,061			43,990			$	0.05
Dilution associated with stock compensation plans	—				466			—
Diluted earnings per share	$	2,061			44,456			$	0.05
For the year ended May 2, 2015:
Basic earnings per share	$	20,882			43,514			$	0.48
Dilution associated with stock compensation plans	—				929			(0.01		)
Diluted earnings per share	$	20,882			44,443			$	0.47

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- References

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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