Acquisition and Discontinued Operations (Summary of Carrying Amount of Major Classes of Assets and Liabilities Related to EMEA and Pacific Rim Businesses) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Total current assets discontinued operations	$ 308.9	$ 279.5
Total assets	1,942.6	1,873.5
Current liabilities:
Total current liabilities	129.3	110.3
EMEA and Pacific Rim Business [Member]
Current assets:
Cash and cash equivalents	10.0	10.0
Accounts and notes receivable, net	47.3	56.2
Inventories, net	65.3	59.8
Income tax receivable	4.2	1.8
Other current assets	10.3	8.2
Total current assets discontinued operations	137.1	136.0
Property, plant, and equipment, less accumulated depreciation and amortization	109.3	103.8
Prepaid pension costs	29.9	28.9
Goodwill and intangible assets, net	7.0	6.8
Deferred income taxes	3.1	3.0
Lease ROU assets	21.8
Other non-current assets	0.7	1.0
Total non-current assets of discontinued operations	171.8	143.5
Total assets	308.9	279.5
Current liabilities:
Accounts payable and accrued expenses	73.2	67.1
Income tax payable	1.2	1.1
Total current liabilities	74.4	68.2
Pension benefit liabilities	33.6	33.8
Lease non-current liabilities	12.7
Other long-term liabilities	1.8	1.8
Income taxes payable	0.2
Deferred income taxes	6.6	6.5
Total non-current liabilities of discontinued operations	54.9	42.1
Total liabilities of discontinued operations	$ 129.3	$ 110.3