Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2013

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Benefit Cost

NOTE 11. Pension and Other Postretirement Benefits
Components of Net Periodic Benefit Cost
	Three Months Ended June 30,
									Other Postretirement
	Pension Benefits				SERP				Benefits
	2013		2012		2013		2012		2013		2012
Service cost	$	1,333	$	1,201	$	313	$	34	$	337	$	272
Interest cost		1,794		1,776		102		75		217		201
Expected return on plan assets		(2,412)		(2,349)		0		0		0		0
Amortization of prior service cost		6		6		54		28		29		28
Amortization of transition obligation		0		0		0		0		2		28
Amortization of net actuarial (gain) or loss		757		804		57		54		42		16
Net periodic postretirement benefit cost	$	1,478	$	1,438	$	526	$	191	$	627	$	545
		Six Months Ended June 30,
									Other Postretirement
	Pension Benefits				SERP				Benefits
	2013		2012		2013		2012		2013		2012
Service cost	$	2,666	$	2,402	$	626	$	68	$	674	$	544
Interest cost		3,588		3,552		204		149		434		402
Expected return on plan assets		(4,823)		(4,698)		0		0		0		0
Amortization of prior service cost		12		13		109		55		58		56
Amortization of transition obligation		0		0		0		0		4		57
Amortization of net actuarial (gain) or loss		1,514		1,608		113		109		84		31
Net periodic postretirement benefit cost	$	2,957	$	2,877	$	1,052	$	381	$	1,254	$	1,090