XML 55 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income Tax Disclosure [Abstract]        
U.S. statutory rate     35.00%  
Effective tax rate (7.50%) 20.10% (3.70%) 9.50%
Unrecognized tax benefits $ 3.4   $ 3.4  
Unrecognized tax benefits that would have a favorable impact on effective tax rate $ 3.0   $ 3.0