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Note 14 - Selected Quarterly Data (Unaudited) (Detail) - Summarized quarterly data for fiscal 2012 and 2011 (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2010
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2010
|
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| Total revenues | $ 157,483 | $ 153,309 | $ 144,200 | $ 143,960 | $ 151,182 | $ 138,766 | $ 135,783 | $ 142,518 | $ 598,952 | $ 568,249 | $ 528,618 |
| Operating expenses | 141,548 | 142,706 | 134,387 | 133,552 | 140,392 | 136,370 | 128,013 | 132,688 | 552,193 | 537,463 | 508,786 |
| Operating income | 15,935 | 10,603 | 9,813 | 10,408 | 10,790 | 2,396 | 7,770 | 9,830 | 46,759 | 30,786 | 19,832 |
| Other expense, net | 1,680 | 1,179 | 1,269 | 1,088 | 1,388 | (2,373) | 2,172 | 2,176 | |||
| Income before taxes | 14,255 | 9,424 | 8,544 | 9,320 | 9,402 | 4,769 | 5,598 | 7,654 | |||
| Income tax expense | 5,290 | 3,766 | 3,089 | 3,862 | 3,924 | 2,503 | 2,472 | 3,262 | 16,007 | 12,162 | 5,785 |
| Net income | $ 8,965 | $ 5,658 | $ 5,455 | $ 5,458 | $ 5,478 | $ 2,266 | $ 3,126 | $ 4,392 | $ 25,536 | $ 15,262 | $ 3,926 |
| Basic income per share (in Dollars per share) | $ 0.40 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.10 | $ 0.14 | $ 0.20 | $ 1.15 | $ 0.69 | $ 0.18 |
| Diluted income per share (in Dollars per share) | $ 0.39 | $ 0.25 | $ 0.24 | $ 0.24 | $ 0.24 | $ 0.10 | $ 0.14 | $ 0.19 | $ 1.12 | $ 0.67 | $ 0.18 |
| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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| X | ||||||||||
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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| X | ||||||||||
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- Definition
The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Income before income taxes for oil and gas producing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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