Schedule II - Valuation and Qualifying Accounts Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	$ 13.0	$ 13.3	$ 5.3
Acquired Reserves	0.0	0.0	6.1
Charged to Expenses	51.6	46.8	42.3
Deductions	(49.2)	(47.1)	(40.4)
Balance End of Year	15.4	13.0	13.3
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	4.9	3.9	1.9
Acquired Reserves	0.0	0.0	0.0
Charged to Expenses	0.9	2.2	2.8
Deductions	(1.9)	(1.2)	(0.8)
Balance End of Year	3.9	4.9	3.9
Reserve for Customer Deductions
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	6.4	6.7	3.4
Acquired Reserves	0.0	0.0	3.4
Charged to Expenses	46.2	44.5	39.5
Deductions	(46.2)	(44.8)	(39.6)
Balance End of Year	6.4	6.4	6.7
Deferred Tax Asset Valuation Allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	1.7	2.7	0.0
Acquired Reserves	0.0	0.0	2.7
Charged to Expenses	4.5	0.1	0.0
Deductions	(1.1)	1.1	0.0
Balance End of Year	$ 5.1	$ 1.7	$ 2.7