Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Foreign tax credits	$ 0.0	$ 139.5
Employee compensation	26.4	41.3
Other comprehensive loss	54.5	66.3
Research and development capitalization	76.4	145.1
Net operating loss and capital loss carryforwards	74.6	71.5
Pension and other postretirement benefits	19.1	38.8
Deferred tax assets, asbestos-related	167.1	263.0
Other	146.6	128.9
Total deferred tax assets	564.7	894.4
Valuation allowance	(95.9)	(71.2)
Net deferred tax asset	468.8	823.2
Deferred tax liabilities:
Goodwill and intangible assets	(193.9)	(251.3)
Fixed assets	(104.6)	(147.1)
Unremitted foreign earnings	(98.5)	(38.5)
Other	(12.0)	(16.5)
Total deferred tax liabilities	(409.0)	(453.4)
Net deferred taxes	$ 59.8	$ 369.8