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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Jun. 30, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of fair values of financial assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2020 |  | June 30, 2021
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets—Insurance company contracts | ​ | $ | — | ​ | $ | 37,155 | ​ | $ | — | ​ | $ | 37,155 | ​ | $ | — | ​ | $ | 47,113 | ​ | $ | — | ​ | $ | 47,113
Liabilities—Contingent consideration | ​ | $ | — | ​ | $ | — | ​ | $ | 13,867 | ​ | $ | 13,867 | ​ | $ | — | ​ | $ | — | ​ | $ | 19,431 | ​ | $ | 19,431
Schedule of computation of basic and diluted earnings per share | The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2019 |  | 2020 |  | 2021
Net income available to common stockholders | ​ | $ | 64,796 | ​ | $ | 75,252 | ​ | $ | 74,049
Weighted average shares outstanding—basic | ​ |  | 18,097 | ​ |  | 18,191 | ​ |  | 17,968
Dilutive effect of equity awards | ​ |  | 623 | ​ |  | 409 | ​ |  | 420
Weighted average shares outstanding—diluted | ​ |  | 18,720 | ​ |  | 18,600 | ​ |  | 18,388
Basic earnings per share | ​ | $ | 3.58 | ​ | $ | 4.14 | ​ | $ | 4.12
Diluted earnings per share | ​ | $ | 3.46 | ​ | $ | 4.05 | ​ | $ | 4.03
Weighted average shares excluded from diluted earnings per share due to their anti-dilutive effect | ​ | ​ | 40 | ​ | ​ | 120 | ​ | ​ | 47
Schedule of changes in warranty provisions | ​
​ | ​ | ​ | ​
Warranty provision as of June 30, 2018 |  | $ | 21,819
Warranty claims provided for/assumed in acquisition | ​ |  | 8,867
Settlements made | ​ |  | (8,962)
Warranty provision as of June 30, 2019 | ​ | $ | 21,724
Warranty claims provided for/assumed in acquisition | ​ |  | 7,551
Settlements made | ​ |  | (8,450)
Warranty provision as of June 30, 2020 | ​ | $ | 20,825
Warranty claims provided for/assumed in acquisition | ​ |  | 5,419
Settlements made | ​ |  | (6,508)
Warranty provision as of June 30, 2021 | ​ | $ | 19,736

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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