Summary of Significant Accounting Policies and Recently Issued Accounting Standards - Effect of Adoption of New Revenue Recognition Standard (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 1,260.3	$ 1,186.2	$ 1,155.2	$ 1,131.0	$ 1,227.8	$ 1,131.3	$ 1,070.3	$ 1,032.2	$ 4,732.7	$ 4,461.6	$ 4,211.3
Other current liabilities	428.9				562.0				428.9	562.0
Other non-current liabilities	653.3				490.8				653.3	490.8
Retained earnings	1,835.5				$ 1,735.2				1,835.5	$ 1,735.2
Balances without Adoption of Topic 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales									4,731.8
Other current liabilities	428.1								428.1
Other non-current liabilities	648.9								648.9
ASU 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other current liabilities												$ 2.4
Retained earnings												$ 2.4
ASU 2014-09 | Effect of Change
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales									0.9
Other current liabilities	0.8								0.8
Other non-current liabilities	$ 4.4								$ 4.4