PENSION PLANS (Tables)

9 Months Ended

Sep. 30, 2012

Pension and Other Postretirement Benefit Expense [Abstract]

Aggregate net pension expense relating to the two plan types

The aggregate net pension expense relating to these two plans are as follows:

	Three Months Ended				Nine Months Ended
	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
	(in thousands)
Service costs	$	311	$	275	$	943	$	904
Interest cost	348		285		1,074		936
Amortization of actuarial loss	12		—		9		68
Settlement and other related gains	—		—		—		(726		)
Net pension period cost	$	671	$	560	$	2,026	$	1,182