Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	First		Second		Third		Fourth		Full
	Quarter		Quarter		Quarter		Quarter		Year
2016
Net Sales	$	849.0	$	877.4	$	870.7	$	896.0	$	3,493.1
Gross Profit		379.0		408.0		395.6		408.0		1,590.6
Income from Operations		179.5		175.3		196.0		173.4		724.2
Net Income		113.0		111.6		124.0		110.4		459.0
Net Income per Share-Basic	$	0.44	$	0.43	$	0.48	$	0.43	$	1.78
Net Income per Share-Diluted	$	0.43	$	0.43	$	0.47	$	0.42	$	1.75
2015
Net Sales	$	812.3	$	847.1	$	861.8	$	873.6	$	3,394.8
Gross Profit		355.5		373.1		385.8		397.4		1,511.8
Income from Operations		172.1		142.3		190.6		169.2		674.2
Net Income (1)		107.2		73.7		120.4		109.1		410.4
Net Income per Share-Basic (1) (2)	$	0.41	$	0.28	$	0.46	$	0.42	$	1.57
Net Income per Share-Diluted (1) (2)	$	0.40	$	0.28	$	0.45	$	0.41	$	1.54

⁽¹⁾ The second quarter of 2015 Net Income includes a $17.0 or $0.06 per share impairment charge to write-off the remaining investment in Natronx.    

⁽²⁾ The second quarter of 2015 Income from Operations includes an $8.9 pre-tax charge or $0.03 per share to terminate an international defined benefit pension plan.