Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	In thousands
Service cost	$8	$8	$16	$15
Interest cost	311	200	621	402
Expected return on plan assets	(338)	(191)	(673)	(383)
Recognized net actuarial loss	56	28	112	56
Net periodic benefit cost	$37	$45	$76	$90

Schedule of Costs of Retirement Plans [Table Text Block]

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	In thousands
Salaried Plan	$620	$450	$1,075	$978
Union Plan	19	15	36	28
Montreal Plan	32	25	59	48
UK Plan	16	18	30	36
Kelsan Plan	31	30	77	61
	$718	$538	$1,277	$1,151

United Kingdom Benefit Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
	In thousands
Interest cost	$80	$68	$163	$135
Expected return on plan assets	(68)	(68)	(139)	(137)
Amortization of transition amount	(12)	(12)	(24)	(24)
Recognized net actuarial loss	52	28	107	56
Net periodic cost	$52	$16	$107	$30