Acquisitions Proforma Results (Tables)

9 Months Ended

Sep. 30, 2018

Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months Ended		Nine Months Ended
(in millions, except per share data)	September 30, 2017
Net sales	$	839.2	$	2,439.7
Net income attributable to common shareholders	$	77.5	$	203.8
Basic earnings per share	$	1.30	$	3.43
Diluted earnings per share	$	1.28	$	3.37