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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Jun. 30, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Components of accounts receivable |
|  | June 30, |
|  | 2014 |  | 2015 |
Billed receivables |  | $ | 189,489 |  | $ | 181,805 |
Unbilled receivables |  |  | 1,975 |  |  | 2,614 |
Less allowance for doubtful accounts |  |  | (5,691) |  |  | (5,900) |
Total |  | $ | 185,773 |  | $ | 178,519 |
Summary of fair values of our financial assets and liabilities | The following is a summary of the investments carried at fair value (in thousands):
|  |  |  |  |  |  |  | June 30, |  |  |  |  |  |  |  | June 30, |
|  | Level 1 |  | Level 2 |  | 2014 |  | Level 1 |  | Level 2 |  | 2015 |
Equity securities |  |  | 414 |  |  | 4,671 |  |  | 5,085 |  |  | 291 |  |  | 6,024 |  |  | 6,315 |
Insurance company contracts |  |  | — |  |  | 17,383 |  |  | 17,383 |  |  | — |  |  | 20,100 |  |  | 20,100 |
Bonds |  |  | — |  |  | 1,695 |  |  | 1,695 |  |  | — |  |  | 1,972 |  |  | 1,972 |
Deriva tive contracts |  |  | — |  |  | 28 |  |  | 28 |  |  | — |  |  | (41) |  |  | (41) |
Total |  | $ | 414 |  | $ | 23,777 |  | $ | 24,191 |  | $ | 291 |  | $ | 28,055 |  | $ | 28,346 |
Schedule of computation of basic and diluted earnings per share | The following table sets forth the computation of basic and diluted earnings per share for the fiscal years ended June 30 (in thousands, except earnings per share data):
|  | 2013 |  | 2014 |  | 2015 |
Net income available to common stockholders |  | $ | 44,135 |  | $ | 47,894 |  | $ | 65,151 |
Weighted average shares outstanding—basic |  |  | 19,956 |  |  | 19,952 |  |  | 19,799 |
Dilutive effect of stock options |  |  | 612 |  |  | 635 |  |  | 727 |
Weighted average shares outstanding—diluted |  |  | 20,568 |  |  | 20,587 |  |  | 20,526 |
Basic earnings per share |  | $ | 2.21 |  | $ | 2.40 |  | $ | 3.29 |
Diluted earnings per share |  | $ | 2.15 |  | $ | 2.33 |  | $ | 3.17 |
Schedule of changes in warranty provisions |
|  | Provision for |
|  | Warranties |
|  | (in thousands) |
Balance on June 30, 2012 |  | $ | 17,562 |
Warranty claims provision |  |  | 1,948 |
Settlements made |  |  | (6,620) |
Balance on June 30, 2013 |  | $ | 12,890 |
Warranty claims provision |  |  | 5,573 |
Settlements made |  |  | (6,540) |
Balance on June 30, 2014 |  | $ | 11,923 |
Warranty claims provision |  |  | 6,043 |
Settlements made |  |  | (5,228) |
Balance on June 30, 2015 |  | $ | 12,738 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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