XML 45 R29.htm IDEA: XBRL DOCUMENT
v3.5.0.1

Nature of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Apr. 30, 2016
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 30, 2016 |  | May 2, 2015
Land | $ | 2,155 |  |  | $ | 2,147 |
Buildings | 65,247 |  |  | 64,186 |
Machinery and equipment | 82,973 |  |  | 80,664 |
Office furniture and equipment | 14,746 |  |  | 15,823 |
Computer software and hardware | 48,917 |  |  | 51,083 |
Equipment held for rental | 374 |  |  | 803 |
Demonstration equipment | 8,026 |  |  | 7,299 |
Transportation equipment | 6,596 |  |  | 6,012 |
| 229,034 |  |  | 228,017 |
Less accumulated depreciation | 155,871 |  |  | 155,173 |
| $ | 73,163 |  |  | $ | 72,844 |
Schedule of Earnings Per Share Reconciliation | The following is a reconciliation of the income and common stock share amounts used in the calculation of basic and diluted EPS for the fiscal years ended April 30, 2016, May 2, 2015 and April 26, 2014:
| Net income |  | Shares |  | Per share income (loss)
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 |
For the year ended April 26, 2014: |  |  |  |  |  |  |
Basic earnings per share | $ | 22,206 |  |  | 42,886 |  |  | $ | 0.52 |
Dilution associated with stock compensation plans | — |  |  | 876 |  |  | (0.01 | )
Diluted earnings per share | $ | 22,206 |  |  | 43,762 |  |  | $ | 0.51 |

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration