Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Quarterly Financial Data [Abstract]

Quarterly Financial Information [Text Block]

QUARTERLY FINANCIAL DATA (UNAUDITED)

(Thousands of dollars, except per share amounts)

	First		Second			Third			Fourth
Year 2015	Quarter		Quarter			Quarter			Quarter			Year
Net sales	$	173,729	$	183,940		$	175,656		$	194,621		$	727,946
Gross profit	$	11,222	$	19,920		$	16,484		$	23,591		$	71,217
Income from operations	$	3,669	$	11,039		$	8,059		$	13,527		$	36,294
Income before income taxes	$	3,572	$	10,734		$	7,615		$	13,362		$	35,283
Income tax (provision) benefit	$	762	$	(4,200	)	$	(2,669	)	$	(5,232	)	$	(11,339	)
Net income	$	4,334	$	6,534		$	4,946		$	8,130		$	23,944
Income per share:
Basic	$	0.16	$	0.24		$	0.19		$	0.31		$	0.90
Diluted	$	0.16	$	0.24		$	0.19		$	0.31		$	0.90
Dividends declared per share	$	0.18	$	0.18		$	0.18		$	0.18		$	0.72

	First			Second			Third			Fourth
Year 2014	Quarter			Quarter			Quarter			Quarter			Year
Net sales	$	183,390		$	198,966		$	176,419		$	186,672		$	745,447
Gross profit	$	15,636		$	15,732		$	7,318		$	11,536		$	50,222
Income (loss) from operations	$	7,702		$	8,444		$	(2,637	)	$	4,404		$	17,913
Income (loss) before income taxes	$	8,059		$	8,662		$	(2,740	)	$	1,721		$	15,702
Income tax (provision) benefit	$	(3,237	)	$	(3,623	)	$	321		$	(360	)	$	(6,899	)
Net income (loss)	$	4,822		$	5,039		$	(2,419	)	$	1,361		$	8,803
Income (loss) per share:
Basic	$	0.18		$	0.19		$	(0.09	)	$	0.05		$	0.33
Diluted	$	0.18		$	0.18		$	(0.09	)	$	0.05		$	0.33
Dividends declared per share	$	0.18		$	0.18		$	0.18		$	0.18		$	0.72