Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Foreign tax credits	$ 142.6	$ 121.8
Employee compensation	34.6	33.8
Other comprehensive loss	79.7	90.3
Research and development capitalization	100.4	115.6
Net operating loss and capital loss carryforwards	81.8	59.4
Pension and other postretirement benefits	41.1	29.4
Other	125.3	87.1
Total deferred tax assets	605.5	537.4
Valuation allowance	(71.0)	(46.4)
Net deferred tax asset	534.5	491.0
Deferred tax liabilities:
Goodwill and intangible assets	(259.2)	(133.1)
Fixed assets	(115.5)	(93.4)
Other	(66.4)	(40.0)
Total deferred tax liabilities	(441.1)	(266.5)
Net deferred taxes	$ 93.4	$ 224.5