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Revenue Recognition (Tables) | 9 Months Ended
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Feb. 29, 2020
Revenue From Contract With Customer [Abstract] |
Schedule of Contract Liabilities and Revenue Recognized | Contract Liabilities: Contract liabilities and revenue recognized were as follows (in thousands):
|  | June 1, 2019 |  |  | Additions |  |  | Revenue Recognized |  |  | February 29, 2020 |
Contract liabilities (deferred revenue) |  | $ | 2,260 |  |  | $ | 1,610 |  |  | $ | (1,954 | ) |  | $ | 1,916 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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