Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
		In thousands
Service cost	$	8	$	8	$	24	$	23
Interest cost		187		200		561		600
Expected return on plan assets		(203)		(191)		(607)		(574)
Recognized net actuarial loss		49		28		146		84
Net periodic benefit cost	$	41	$	45	$	124	$	133

Schedule of Costs of Retirement Plans [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
		In thousands
Salaried Plan	$	599	$	541	$	1,674	$	1,519
Union Plan		23		16		59		45
Montreal Plan		30		26		89		75
UK Plan		29		34		84		94
Kelsan Plan		34		27		111		88
	$	715	$	644	$	2,017	$	1,821

United Kingdom Benefit Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
		In thousands
Interest cost	$	89	$	66	$	252	$	201
Expected return on plan assets		(76)		(72)		(215)		(220)
Amortization of transition amount		(12)		(12)		(36)		(36)
Recognized net actuarial loss		58		29		165		85
Net periodic cost	$	59	$	11	$	166	$	30