Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Inventories	$ 6.2	$ 5.2
Income tax credits	24.5	21.0
Accrued liabilities	35.9	17.2
Pension	49.6	55.8
Post retirement and post employment benefits	6.6	6.5
Stock-based compensation	13.1	13.4
Net operating loss carryforwards	22.2	19.0
Miscellaneous other	8.8	10.7
Gross deferred tax assets	166.9	148.8
Valuation allowance	(21.8)	(19.4)
Total deferred tax assets, net of valuation allowance	145.1	129.4
Deferred tax liabilities:
Liability on undistributed foreign earnings	(10.9)	0.0
Goodwill and Intangibles	(206.4)	(116.5)
Property, plant, and equipment	(41.4)	(30.3)
Total deferred tax liabilities	(258.7)	(146.8)
Non-current tax assets (included in Other long-term assets)	6.4	6.3
Non-current tax liabilities (included in Other Non-Current Liabilities)	(120.0)	(23.7)
TOTAL NET DEFERRED TAX LIABILITY	$ (113.6)	$ (17.4)