XML 48 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Nature of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Apr. 28, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the statement of financial position that sum to total of the same amounts showing in the statement of cash flows.
| April 28, 2018 |  | April 29, 2017
Cash and cash equivalents | $ | 29,727 |  |  | $ | 32,623 |
Restricted cash | 28 |  |  | 216 |
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows | $ | 29,755 |  |  | $ | 32,839 |
Restrictions on Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the statement of financial position that sum to total of the same amounts showing in the statement of cash flows.
| April 28, 2018 |  | April 29, 2017
Cash and cash equivalents | $ | 29,727 |  |  | $ | 32,623 |
Restricted cash | 28 |  |  | 216 |
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows | $ | 29,755 |  |  | $ | 32,839 |
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 and improvements | 5 - 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, net consisted of the following:
| April 28, 2018 |  | April 29, 2017
Land | $ | 2,161 |  |  | $ | 2,099 |
Buildings | 67,773 |  |  | 65,935 |
Machinery and equipment | 93,439 |  |  | 84,189 |
Office furniture and equipment | 5,878 |  |  | 5,604 |
Computer software and hardware | 53,004 |  |  | 51,523 |
Equipment held for rental | 287 |  |  | 374 |
Demonstration equipment | 7,035 |  |  | 7,109 |
Transportation equipment | 7,632 |  |  | 7,108 |
| 237,209 |  |  | 223,941 |
Less accumulated depreciation | 169,150 |  |  | 157,192 |
| $ | 68,059 |  |  | $ | 66,749 |
Schedule of Earnings Per Share Reconciliation | The following is a reconciliation of the net income and common share amounts used in the calculation of basic and diluted EPS for the fiscal years ended 2018, 2017 and 2016:
| Net income |  | Shares |  | Per share income
For the year ended April 28, 2018: |  |  |  |  |
Basic earnings per share | $ | 5,562 |  |  | 44,457 |  |  | $ | 0.13 |
Dilution associated with stock compensation plans | — |  |  | 416 |  |  | (0.01 | )
Diluted earnings per share | $ | 5,562 |  |  | 44,873 |  |  | $ | 0.12 |
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 |

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 the components of cash and cash equivalents. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock
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

X
- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
Name: | us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration