Income Taxes - Components of Earnings Before Taxes and Income Taxes Paid (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
United States operations	$ (246.2)	$ 403.3	$ 412.4
Foreign operations	399.4	536.1	595.7
Total	153.2	939.4	1,008.1
Current:
Federal	55.8	178.2	207.2
State	18.9	16.5	20.8
Foreign	96.3	116.0	127.7
Current, Total	171.0	310.7	355.7
Deferred:
Federal	(120.6)	(54.8)	(91.8)
State	(20.0)	(6.6)	(8.4)
Foreign	(23.4)	(29.1)	(26.0)
Deferred, Total	(164.0)	(90.5)	(126.2)
Provision for income taxes	7.0	220.2	229.5
Income taxes paid	$ 193.6	$ 340.1	$ 272.3