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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2017
SIGNIFICANT ACCOUNTING POLICIES |
Schedule of amortized cost basis, fair value and net unrealized gains on the available-for-sale securities |
December 31, |  | 2017 |  |  | 2016 |
Type of Securities |  | Amortized Cost Basis |  |  | Fair Value |  |  | Net Unrealized Loss |  |  | Amortized Cost Basis |  |  | Fair Value |  |  | Net Unrealized Loss |
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Municipal Obligations |  | $ | 13,101 |  |  | $ | 13,031 |  |  | $ | (70 | ) |  | $ | 9,379 |  |  | $ | 9,330 |  |  | $ | (49 | )
Corporate Obligations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 13,101 |  |  | $ | 13,031 |  |  | $ | (70 | ) |  | $ | 9,379 |  |  | $ | 9,330 |  |  | $ | (49 | )
Schedule of analysis of warranty accruals |
(in thousands) |  | 2017 |  |  | 2016 |
Balance at beginning of year |  | $ | 4,629 |  |  | $ | 3,405 |
Less: Payments made during the year |  |  | (2,599 | ) |  |  | (2,856 | )
Add: Warranty provision for the current year |  |  | 3,436 |  |  |  | 3,527 |
Changes to warranty provision for prior years |  |  | (93 | ) |  |  | 553 |
Balance at end of year |  | $ | 5,373 |  |  | $ | 4,629 |
Schedule of reconciliation of weighted average shares outstanding |
(In thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Net income available for stockholders |  | $ | 19,300 |  |  | $ | 16,745 |  |  | $ | 14,306 |
Less: Adjustments for earnings attributable to participating securities |  |  | (595 | ) |  |  | (535 | ) |  |  | (464 | )
Net income used in calculating earnings per share |  | $ | 18,705 |  |  | $ | 16,210 |  |  | $ | 13,842 |
Weighted average shares outstanding (including participating securities) |  |  | 34,843 |  |  |  | 37,857 |  |  |  | 36,955 |
Adjustment for participating securities |  |  | (1,091 | ) |  |  | (1,224 | ) |  |  | (1,252 | )
Shares used in calculating basic earnings per share |  |  | 33,752 |  |  |  | 36,633 |  |  |  | 35,703 |
Dilutive effect of stock based awards |  |  | — |  |  |  | — |  |  |  | 192 |
Shares used in calculating diluted earnings per share |  |  | 33,752 |  |  |  | 36,633 |  |  |  | 35,895 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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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/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
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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=68068213&loc=d3e12565-110249 + Details
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