Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Foreign tax credits	$ 145.9	$ 146.0
Employee compensation	40.6	53.1
Other comprehensive income	79.3	113.7
Research and development capitalization	132.4	102.5
Net operating loss and capital loss carryforwards	46.4	44.3
Pension and other postretirement benefits	36.5	37.7
Other	75.8	44.1
Total deferred tax assets	556.9	541.4
Valuation allowance	(34.2)	(35.0)
Net deferred tax asset	522.7	506.4
Deferred tax liabilities:
Goodwill and intangible assets	(139.5)	(130.9)
Fixed assets	(105.4)	(101.9)
Other	(36.7)	(25.6)
Total deferred tax liabilities	(281.6)	(258.4)
Net deferred taxes	$ 241.1	$ 248.0