Quarterly Financial and Market Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial and Market Data

Quarterly financial and market data for the years ended December 31, 2019 and 2018 were:  

	First		Second		Third		Fourth
(In millions, except per share data)	Quarter		Quarter		Quarter		Quarter
2019
Net sales	$	609.9	$	609.0	$	572.5	$	564.3
Gross margin	167.2		168.8			157.9		146.5
Operating income	102.8		115.1		109.9			97.4
Net income	72.2		80.9		80.3			73.2
Net income per common share:
Basic	$	0.85	$	0.95	$	0.94	$	0.87
Diluted	$	0.84	$	0.94	$	0.93	$	0.86
Market price:
High	$	72.65	$	80.88	$	85.33	$	80.29
Low	$	56.18	$	68.00	$	77.01	$	73.31
2018
Net sales	$	540.1	$	547.5	$	540.5	$	561.0
Gross margin		142.6	144.8			143.0	150.4
Operating income	82.4		96.5		96.5			95.8
Net income		61.6	68.8		80.1		66.1
Net income per common share:
Basic	$	0.68	$	0.77	$	0.92	$	0.78
Diluted	$	0.68	$	0.76	$	0.91	$	0.76
Market price:
High	$	69.08	$	73.26	$	69.92	$	67.44
Low	$	61.67	$	63.37	$	65.30	$	53.76