Schedule II - Valuation And Qualifying Accounts And Reserves (Tables)

12 Months Ended

Dec. 31, 2018

Schedule to Financial Statments [Abstract]

Valuation and Qualifying Accounts

	Balance at beginning of year		Additions Charged to Costs and Expense		Other (Deductions) Additions		Balance at end of year
Year ended December 31, 2018:
Applied against asset accounts:
Valuation allowance-deferred tax assets	$	42.8	$	3.4	$	—	$	46.2
Year ended December 31, 2017:
Applied against asset accounts:
Valuation allowance-deferred tax assets	$	31.3	$	11.5	$	—	$	42.8
Year ended December 31, 2016:
Applied against asset accounts:
Valuation allowance-deferred tax assets	$	15.1	$	16.2	$	—	$	31.3