Annual report pursuant to Section 13 and 15(d)

Income Taxes Provisional Amounts Disclosures Related to Tax Cuts and Jobs Act (Details)

v3.8.0.1
Income Taxes Provisional Amounts Disclosures Related to Tax Cuts and Jobs Act (Details)
$ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Reduction of Federal Tax Rate [Member]  
Income Taxes, Provisional Items [Line Items]  
Increase (Decrease) in Deferred Income Taxes $ 15.7
Deemed Repatriation Transition Tax [Member]  
Income Taxes, Provisional Items [Line Items]  
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount $ 0.8