Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Data [Abstract]

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

The following tables present the unaudited financial data for each of the interim periods in 2017 and 2016 (in millions of dollars, except per share amounts):

	Quarter Ended 31-Mar			Quarter Ended 30-Jun		Quarter Ended 30-Sep			Quarter Ended 31-Dec
2017
Net sales	$	355.3		$	356.3	$	332.8		$	353.1
Cost of products sold, excluding depreciation, amortization and other items	$	277.8		$	277.7	$	267.2		$	282.6
Unrealized (gain) loss on derivative instruments	$	(15.1	)	$	11.9	$	(10.8	)	$	(5.4	)
Gross profit	$	92.6		$	66.7	$	76.4		$	75.9
Operating income	$	59.5		$	11.4	$	39.8		$	40.0
Net income (loss)1	$	36.0		$	4.7	$	19.9		$	(15.2	)
Net income (loss) per common share, Basic	$	2.07		$	0.28	$	1.18		$	(0.90	)
Net income (loss) per common share, Diluted	$	2.04		$	0.27	$	1.16		$	(0.90	)
Dividends declared per common share	$	0.50		$	0.50	$	0.50		$	0.50

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¹  The quarter ended June 30, 2017 reflected an $18.4 million goodwill impairment charge (see Note 3). The quarter ended December 31, 2017 included the tax provision effect of $37.2 million due to the Tax Act (see Note 12).

	Quarter Ended 31-Mar			Quarter Ended 30-Jun			Quarter Ended 30-Sep			Quarter Ended 31-Dec
2016
Net sales	$	343.2		$	334.9		$	320.6		$	331.9
Cost of products sold, excluding depreciation, amortization and other items	$	262.0		$	250.4		$	254.7		$	252.4
Lower of cost or market inventory write-down	$	4.9		$	—		$	—		$	—
Unrealized gain on derivative instruments	$	(4.0	)	$	(10.9	)	$	(2.0	)	$	(1.8	)
Gross profit	$	80.3		$	95.4		$	67.9		$	81.3
Operating income	$	44.8		$	57.9		$	29.8		$	45.3
Net income	$	26.3		$	26.0		$	14.9		$	24.5
Net income per common share, Basic	$	1.47		$	1.45		$	0.84		$	1.39
Net income per common share, Diluted	$	1.44		$	1.43		$	0.82		$	1.37
Dividends declared per common share	$	0.45		$	0.45		$	0.45		$	0.45