EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2012

EMPLOYEE BENEFIT PLANS

Components of the net periodic benefit cost of PLC's defined benefit pension plan and unfunded excess benefit plan

	For The						For The
	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
	(Dollars In Thousands)
Service cost — benefits earned during the period	$	2,561		$	2,194		$	5,122		$	4,388
Interest cost on projected benefit obligation	2,604			2,508			5,208			5,016
Expected return on plan assets	(2,673		)	(2,512		)	(5,346		)	(5,024		)
Amortization of prior service cost	(95		)	(98		)	(190		)	(196		)
Amortization of actuarial losses	2,175			1,388			4,350			2,776
Total benefit cost	$	4,572		$	3,480		$	9,144		$	6,960