Components of Net Periodic Benefit Cost (Tables)

6 Months Ended

Jun. 30, 2012

Schedule Of Components Of Net Periodic Benefit (Increase) Cost

	Three months ended June 30,												Six months ended June 30,
	Pension benefits						Other post- retirement benefits						Pension benefits						Other post- retirement benefits
	2012			2011			2012			2011			2012			2011			2012			2011
Service cost	$	—			—			63			46		$	—			—			126			86
Interest cost		322			313			261			256			644			626			522			509
Expected return on plan assets		(645	)		(561	)		—			—			(1,290	)		(1,122	)		—			—
Amortization of prior service cost		—			—			(1	)		(1	)		—			—			(2	)		(2	)
Amortization of the net loss (gain)		357			180			3			(116	)		714			360			6			(222	)
Net periodic benefit cost (increase)	$	34			(68	)		326			185		$	68			(136	)		652			371