Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule Of Net Periodic Benefit Cost (Credit) For Pension And Postretirement Plans

	Pension benefits						Supplemental retirement benefits						Postretirement benefits						Pension benefits						Supplemental retirement benefits						Postretirement benefits
(In thousands)	Three Months Ended September 30,																		Nine Months Ended September 30,
	2012			2011			2012			2011			2012			2011			2012			2011			2012			2011			2012			2011
Service cost (credit)	$	(3	)	$	22		$	—		$	—		$	9		$	8		$	22		$	73		$	—		$	—		$	27		$	24
Interest cost	1,885			1,815			115			140			12			13			5,669			6,068			345			418			35			41
Expected return on plan assets	(2,827		)	(2,710		)													(8,481		)	(9,058		)
Amortization of prior service cost (credit)							31			31			(61		)	(61		)							93			94			(183		)	(183		)
Amortization of net actuarial (gain) loss	2,198			1,152			(28		)	(4		)	(22		)	(31		)	6,889			3,851			(85		)	(12		)	(65		)	(94		)
Net periodic benefit cost (credit)	$	1,253		$	279		$	118		$	167		$	(62	)	$	(71	)	$	4,099		$	934		$	353		$	500		$	(186	)	$	(212	)