| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| |
|
Quarter Ended |
|
|
Nine Months Ended |
|
| |
|
March 31, |
|
|
March 31, |
|
| |
|
2020 |
|
|
2019 |
|
|
2020 |
|
|
2019 |
|
| Earnings per share – basic: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
$ |
36,432 |
|
|
$ |
44,654 |
|
|
$ |
170,451 |
|
|
$ |
79,612 |
|
| Income allocated to participating securities |
|
|
(26 |
) |
|
|
(35 |
) |
|
|
(126 |
) |
|
|
(66 |
) |
| Income available to common shareholders |
|
$ |
36,406 |
|
|
$ |
44,619 |
|
|
$ |
170,325 |
|
|
$ |
79,546 |
|
| Weighted-average shares outstanding – basic |
|
|
38,303 |
|
|
|
37,772 |
|
|
|
38,167 |
|
|
|
37,745 |
|
| Earnings per share – basic |
|
$ |
0.95 |
|
|
$ |
1.18 |
|
|
$ |
4.46 |
|
|
$ |
2.11 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Earnings per share – diluted: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net income |
|
$ |
36,432 |
|
|
$ |
44,654 |
|
|
$ |
170,451 |
|
|
$ |
79,612 |
|
| Income allocated to participating securities |
|
|
(26 |
) |
|
|
(35 |
) |
|
|
(126 |
) |
|
|
(66 |
) |
| Income available to common shareholders |
|
$ |
36,406 |
|
|
$ |
44,619 |
|
|
$ |
170,325 |
|
|
$ |
79,546 |
|
| Weighted-average shares outstanding – basic |
|
|
38,303 |
|
|
|
37,772 |
|
|
|
38,167 |
|
|
|
37,745 |
|
| Dilutive effect of stock options and restricted stock units |
|
|
1,132 |
|
|
|
1,089 |
|
|
|
1,187 |
|
|
|
1,068 |
|
| Weighted-average common shares outstanding – diluted |
|
|
39,435 |
|
|
|
38,861 |
|
|
|
39,354 |
|
|
|
38,813 |
|
| Earnings per share – diluted |
|
$ |
0.92 |
|
|
$ |
1.15 |
|
|
$ |
4.33 |
|
|
$ |
2.05 |
|
|