Discontinued Operations (Summary of Carrying Amount of Major Classes of Assets and Liabilities Related to EMEA and Pacific Rim Businesses) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Total current assets discontinued operations		$ 244.3
Total assets	$ 1,493.3	1,838.3
Current liabilities:
Total current liabilities		110.3
EMEA and Pacific Rim Business [Member]
Current assets:
Cash and cash equivalents		10.0
Accounts and notes receivable, net		56.2
Inventories, net		59.8
Income tax receivable		1.8
Other current assets		8.2
Total current assets discontinued operations		136.0
Property, plant, and equipment, less accumulated depreciation and amortization		68.6
Prepaid pension costs		28.9
Goodwill and intangible assets, net		6.8
Deferred income taxes		3.0
Other non-current assets		1.0
Total non-current assets of discontinued operations		108.3
Total assets		244.3
Current liabilities:
Accounts payable and accrued expenses		67.1
Income tax payable		1.1
Total current liabilities		68.2
Pension benefit liabilities		33.8
Other long-term liabilities		1.8
Deferred income taxes		6.5
Total non-current liabilities of discontinued operations		42.1
Total liabilities of discontinued operations		$ 110.3