Acquisitions - Additional Information (Details) - USD ($) $ in Millions					3 Months Ended								12 Months Ended
	Dec. 22, 2016	Jan. 04, 2016	Jan. 02, 2015	Sep. 19, 2014	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Net Sales					$ 896.0	$ 870.7	$ 877.4	$ 849.0	$ 873.6	$ 861.8	$ 847.1	$ 812.3	$ 3,493.1	$ 3,394.8	$ 3,297.6
Cash consideration													$ 305.3	74.9	$ 215.7
Anusol Acquisition
Business Acquisition [Line Items]
Date of business acquisition													Dec. 22, 2016
Purchase price	$ 130.0
Net Sales													$ 24.0
Anusol Acquisition | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years	15 years
Anusol Acquisition | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years	20 years
Spencer Forrest, Inc
Business Acquisition [Line Items]
Date of business acquisition													Jan. 04, 2016
Purchase price		$ 175.3
Spencer Forrest, Inc | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years		10 years
Spencer Forrest, Inc | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years		20 years
VI-COR
Business Acquisition [Line Items]
Date of business acquisition													Jan. 02, 2015
Cash consideration			$ 74.9
Payment after one year if certain operating performance is achieved			$ 5.0
Business combination, contingent payment made					$ 4.6				$ 4.6				$ 4.6	$ 4.6
VI-COR | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years			5 years
VI-COR | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years			15 years
Lil Drug Store Brands
Business Acquisition [Line Items]
Date of business acquisition													Sep. 19, 2014
Cash consideration				$ 215.7
Lil Drug Store Brands | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years				5 years
Lil Drug Store Brands | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years				20 years