Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Income (Loss) (Details Textual)

v3.7.0.1
Comprehensive Income (Loss) (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Comprehensive Income Loss [Line Items]        
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total $ 3.5 $ 11.9 $ 6.5 $ 10.1