XML 32 R21.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 2 - Earnings Per Share (Details Textual) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total 1.0 0.9 1.1 1.1