Income Taxes (Components of Deferred Tax Assets (Liabilities)) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets
Compensation and benefits	$ 18.5	$ 20.7
Pension	49.6	28.6
Inventory	10.6	12.4
Other reserves	15.2	19.1
Accounts receivable	5.7	7.0
Foreign tax credit carryforwards	29.1	0.0
Net operating loss carryforwards	126.6	47.2
Other	5.6	10.3
Gross deferred income tax assets	260.9	145.3
Valuation allowance	(45.0)	(11.7)
Net deferred tax assets	215.9	133.6
Deferred tax liabilities
Depreciation	(17.2)	(12.6)
Identifiable intangible	(237.9)	(240.4)
Gross deferred tax liabilities	(255.1)	(253.0)
Net deferred tax liabilities	$ (39.2)	$ (119.4)