Note 4 - Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Asset Based [Member] | ||||
| Operating revenues | $ 236,324 | $ 200,596 | $ 467,087 | $ 377,465 |
| Operating Income (Loss) | 11,471 | 12,853 | 18,953 | 24,102 |
| Asset Light Based [Member] | ||||
| Operating revenues | 32,943 | 21,775 | 63,539 | 38,322 |
| Operating Income (Loss) | 3,280 | $ 2,716 | 7,111 | $ 4,935 |
| Equipment Leasing and Services [Member] | ||||
| Operating revenues | 6,132 | 10,894 | ||
| Operating Income (Loss) | (672) | 9,188 | ||
| Operating revenues | 275,399 | $ 222,371 | 541,520 | $ 415,787 |
| Operating Income (Loss) | $ 14,079 | $ 15,569 | $ 35,252 | $ 29,037 |