Quarterly report pursuant to Section 13 or 15(d)

Income Tax (Details)

v3.8.0.1
Income Tax (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Tax cuts and jobs act of 2017, transition tax for accumulated foreign earnings income tax expense (benefit) $ 9.5  
Tax cuts and jobs act of 2017, change in tax rate, deferred tax liability, income tax (expense) benefit 10.6  
Tax cuts and jobs act of 2017, income tax expense (benefit) $ 6.4  
Effective income tax rate, percent 24.90%  
Tax cuts and jobs act of 2017, income (decrease) in the effective income tax rate 1.40%  
Income taxes paid $ 4.0 $ 3.7