Annual report pursuant to Section 13 and 15(d)

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) - Narrative (Details)

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QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) - Narrative (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
Error Corrections and Prior Period Adjustments Restatement [Line Items]  
Tax Cuts and Jobs Act of 2017, provisional income tax expense (benefit) $ (3.2)
Tax Cuts and Jobs Act, income tax expense (benefit) $ (6.4)
Correction to Release Valuation Allowance  
Error Corrections and Prior Period Adjustments Restatement [Line Items]  
Increase in basic and diluted earnings per share (in dollars per share) | $ / shares $ 0.12