Business Combinations - Additional Information (Details) $ in Millions				9 Months Ended	12 Months Ended			21 Months Ended
	Dec. 01, 2015 USD ($)	Jul. 29, 2015 USD ($)	Mar. 28, 2013 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) business	Dec. 31, 2013 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Consideration, net of cash acquired					$ 22.2	$ 53.0	$ 965.0
Proceeds from issuance of long-term debt					806.3	151.5	710.6
Proceeds from the issuance of common stock		$ 7.8			294.0	$ 1.8	290.6
Number of acquisitions | business						5
Acquisition related costs					$ 0.4	$ 1.1	2.9
Mold-Masters [Member]
Business Acquisition [Line Items]
Consideration, net of cash acquired			$ 920.5	$ 42.4		2.6		$ 965.5
Proceeds from issuance of long-term debt			708.8
Proceeds from the issuance of common stock			$ 289.2
Net sales from date of acquisition of acquiree							208.1
Operating earnings from date of acquisition of acquiree							21.5
Commitment fees							$ 7.0
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Consideration, net of cash acquired						$ 50.4
CanGen Holdings, Inc. [Member]
Business Acquisition [Line Items]
Consideration, net of cash acquired	$ 22.2