Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

EPS Calculation [Table Text Block]

In thousands, except per share data	2017			2016			2015
Net income from continuing operations	$	72,073		$	62,419		$	60,026
Loss from discontinued operations, net of tax	(127,696		)	(3,524		)	(6,323		)
Net income (loss)	$	(55,623	)	$	58,895		$	53,703
Average common shares outstanding - basic	28,669			27,647			27,347
Additional shares for stock-based compensation plans (See Note 6)	84			132			70
Average common shares outstanding - diluted	28,753			27,779			27,417
Earnings (loss) from continuing operations per share of common stock:
Basic	$	2.51		$	2.26		$	2.19
Diluted	$	2.51		$	2.25		$	2.19
Loss from discontinued operations per share of common stock:
Basic	$	(4.45	)	$	(0.13	)	$	(0.23	)
Diluted	$	(4.44	)	$	(0.13	)	$	(0.23	)
Earnings (loss) per share of common stock:
Basic	$	(1.94	)	$	2.13		$	1.96
Diluted	$	(1.93	)	$	2.12		$	1.96
Additional information:
Antidilutive shares	13			5			12