Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Inventories	$ 6.8	$ 4.6
Income tax credits	31.9	30.6
Accrued liabilities	25.0	23.3
Pension	58.2	43.6
Post retirement and post employment benefits	10.4	11.3
Stock-based compensation	12.6	11.4
Net operating loss carryforwards	31.0	46.3
Miscellaneous other	7.0	7.5
Gross deferred tax assets	182.9	178.6
Valuation allowance	(22.0)	(34.3)
Total deferred tax assets, net of valuation allowance	160.9	144.3
Deferred tax liabilities:
Acquisition basis difference	(149.2)	(145.8)
Property, plant, and equipment	(41.6)	(41.9)
Total deferred tax liabilities	(190.8)	(187.7)
TOTAL NET DEFERRED TAX LIABILITY	(29.9)	(43.4)
Current tax assets (included in Deferred taxes and other)	0.0	31.2
Non-current tax assets (included in Other long-term assets)	6.2	1.1
Current tax liabilities (included in Other accrued liabilities)	0.0	(1.2)
Non-current tax liabilities (included in Other Non-current liabilities)	$ (36.1)	$ (74.5)