Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Tax Cuts and Jobs Act (Details)

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Basis of Presentation - Tax Cuts and Jobs Act (Details)
$ in Millions
3 Months Ended
Sep. 30, 2018
USD ($)
Retained Earnings  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Tax Cuts and Jobs Act of 2017, reclassification from AOCI to Retained Earnings, tax effect $ 10.7
AOCI  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Tax Cuts and Jobs Act of 2017, reclassification from AOCI to Retained Earnings, tax effect $ (10.7)