Pension and Post-Retirement Benefit Costs (Tables)

6 Months Ended

Jun. 30, 2012

Components Of Net Periodic Benefit Cost

Components of net periodic benefit cost are as follows:

	Three Months Ended June 30,										Six Months Ended June 30,
	Pension						Post-retirement Healthcare				Pension						Post-retirement Healthcare
	2012			2011			2012		2011		2012			2011			2012		2011
Service cost	$	250		$	224		$	2	$	4	$	504		$	481		$	5	$	8
Interest cost		645			681			185		209		1,291			1,361			370		419
Expected return on plan assets		(623	)		(570	)		—		—		(1,244	)		(1,139	)		—		—
Amortization of transition obligation		—			—			—		28		—			—			—		57
Amortization of prior service cost		74			74			21		47		148			148			42		93
Amortization of net loss		445			322			44		28		884			626			88		56
Net periodic benefit cost	$	791		$	731		$	252	$	316	$	1,583		$	1,477		$	505	$	633