Subsequent Events (Details) - $ / shares |
1 Months Ended | |
|---|---|---|
Apr. 24, 2018 |
Jan. 31, 2018 |
|
| Subsequent Events: | ||
| Dividend declared (in dollars per share) | $ 1.50 | |
| Subsequent events | ||
| Subsequent Events: | ||
| Dividend declared (in dollars per share) | $ 1.57 | |
| Dividend declared, date | Apr. 24, 2018 | |
| Dividend payable, date | Jun. 09, 2018 | |
| Shareholders of record, date | May 10, 2018 | |
| Dividend per share increase (in dollars per share) | $ 0.07 | |
| Dividend per share increase (as a percent) | 5.00% |