Summarized assets and liabilities of the of discontinued operations (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets
Other invested assets		$ 16.9
Cash and cash equivalents		10.2
Accounts receivable, net		26.0
Deferred tax asset		0.0
Property, plant and equipment, net		182.1
Goodwill		14.3
Intangibles, net		5.3
Other assets		68.5
Total assets held for sale	$ 0.0	323.3
Liabilities
Accounts payable and other current liabilities		33.4
Debt obligations		65.6
Pension Liability		18.8
Other liabilities		36.1
Total liabilities held for sale	$ 0.0	$ 153.9