Income Taxes (Deferred Tax Assets Or Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Tax Contingency [Line Items]
Assets	$ 136.8	$ 152.1
Liabilities	(329.4)	(328.4)
Valuation allowance	(16.2)	(18.1)
Total deferred taxes assets	120.6	134.0
Net deferred tax liability	(208.8)	(194.4)
Property, plant and equipment
Income Tax Contingency [Line Items]
Assets	16.8	17.4
Liabilities	(79.3)	(81.7)
Inventories
Income Tax Contingency [Line Items]
Assets	3.0	2.6
Liabilities	(13.1)	(21.4)
Accrued expenses
Income Tax Contingency [Line Items]
Assets	65.5	68.1
Liabilities	(10.2)	(6.3)
Net operating losses and other tax carryforwards
Income Tax Contingency [Line Items]
Assets	29.1	32.3
Liabilities	0.0	0.0
Pension cost and other post-retirement benefits
Income Tax Contingency [Line Items]
Assets	14.6	22.3
Liabilities	(0.7)	(0.7)
Intangible assets
Income Tax Contingency [Line Items]
Assets	0.2	0.2
Liabilities	(200.0)	(194.7)
Derivative financial instruments
Income Tax Contingency [Line Items]
Assets	1.2	2.4
Liabilities	(4.4)	(2.4)
Tax on undistributed earnings (primarily from Canada and China)
Income Tax Contingency [Line Items]
Assets	0.0	0.0
Liabilities	(16.0)	(14.8)
Uncertain tax positions
Income Tax Contingency [Line Items]
Assets	0.9	1.1
Liabilities	0.0	0.0
Other
Income Tax Contingency [Line Items]
Assets	5.5	5.7
Liabilities	$ (5.7)	$ (6.4)