Income Taxes - Summary of Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Provision computed at U.S. Federal statutory rate of 35%	$ 241.0	$ 232.6	$ 215.0
State and local taxes, net of federal benefit	19.8	20.0	20.5
Domestic manufacturers deduction	(21.1)	(19.9)	(16.5)
Other	(0.8)	(5.0)	2.7
Total provision (benefit) for taxes	$ 238.9	$ 227.7	$ 221.7
U.S. Federal statutory rate	35.00%