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Summary of Significant Accounting Policies and New Accounting Standards (Policies) | 9 Months Ended
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Mar. 31, 2021
Summary of Significant Accounting Policies and New Accounting Standards |
Net Income per Share and Weighted Average Shares | Net Income per Share and Weighted Average Shares Basic net income per share is calculated by dividing net income by the weighted average number of common shares outstanding during the reporting period. Diluted net income per share is calculated by dividing net income by the weighted average number of common shares outstanding during the reporting period after giving effect to potential dilutive common shares resulting from the assumed exercise of stock options and vesting of restricted stock units. All common share equivalents were included in the calculation of diluted net income per share in the periods included in the consolidated financial statements. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months | ​ | Nine Months
For the Periods Ended March 31 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Net income | ​ | $ | 12,161 | ​ | $ | 13,501 | ​ | $ | 37,264 | ​ | $ | 27,910
Weighted average number of shares – basic | ​ |  | 40,483 | ​ |  | 40,454 | ​ |  | 40,463 | ​ |  | 40,454
Dilutive effect of stock options and restricted stock units | ​ |  | 21 | ​ |  | 50 | ​ |  | 41 | ​ |  | 50
Weighted average number of shares – diluted | ​ |  | 40,504 | ​ |  | 40,504 | ​ |  | 40,504 | ​ |  | 40,504
Net income per share | ​ |  | ​ | ​ |  |  | ​ |  | ​ | ​ |  |
basic | ​ | $ | 0.30 | ​ | $ | 0.33 | ​ | $ | 0.92 | ​ | $ | 0.69
diluted | ​ | $ | 0.30 | ​ | $ | 0.33 | ​ | $ | 0.92 | ​ | $ | 0.69
New Accounting Standards | New Accounting Standards Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2020-04 and 2021-01, Reference Rate Reform (Topic 848), provide optional expedients and exceptions to GAAP guidance, if certain criteria are met, for contracts, hedging relationships and derivative instruments that reference the London Interbank Offered Rate (LIBOR) and other interbank offered rates expected to be discontinued or modified by rate reform. The overall purpose of Topic 848 is to ease the financial reporting burdens related to the expected market transition to alternative reference rates. These ASUs may be applied prospectively to contract modifications made and hedging relationships entered into on or before December 31, 2022. We continue to evaluate the effect of adoption of this guidance on our consolidated financial statements. ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, removes certain exceptions and amends certain requirements in the existing income tax guidance to ease accounting requirements. ASU 2019-12 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020, and must be applied on a retrospective basis. We continue to evaluate the effect of adoption of this guidance on our consolidated financial statements. ASU 2018-14, Compensation—Retirement Benefits—Defined Benefit Plans—General (Topic 715-20): Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans, modifies existing disclosure requirements for defined benefit pension and other postretirement plans. ASU 2018-14 is effective for fiscal years ending after December 15, 2020, and must be applied on a retrospective basis. We continue to evaluate the effect of adoption of this guidance on our disclosures. ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, modifies existing disclosure requirements for fair value measurement. ASU 2018-13 was effective for fiscal years beginning after December 15, 2019. The adoption did not have a material effect on our fair value measurement disclosures.

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- Definition Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. + References No definition available. + Details
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