Pension Plan and Postretirement Benefits Other Than Pension (Tables)

6 Months Ended

Jun. 30, 2014

Pension Plan and Postretirement Benefits Other Than Pension

Schedule of components of net periodic pension and other postretirement costs

	Pension Benefits					Other Postretirement Benefits			Pension Benefits				Other Postretirement Benefits
	Three months ended June 30,					Three months ended June 30,			Six months ended June 30,				Six months ended June 30,
	2014			2013		2014		2013	2014		2013		2014		2013
	(in thousands)								(in thousands)
Components of net periodic benefit cost:
Service cost	$	2,317		2,556		180		197	5,042		5,506		360		394
Interest cost	2,045			1,903		99		90	4,198		3,855		198		180
Expected return on plan assets	(3,595		)	(2,889	)	—		—	(7,008	)	(5,593	)	—		—
Actuarial (gain) loss amortization	337			1,034		(4	)	—	748		2,284		(8	)	—
Prior service cost amortization	104			139		14		14	234		278		28		28
Transition obligation amortization	1			1		—		—	2		2		—		—
Total(1)	$	1,209		2,744		289		301	3,216		6,332		578		602

(1) Approximately 60% of net periodic pension and other postretirement benefit costs are included in Compensation and related costs on the consolidated statements of income, while the remainder are included in Underwriting and distribution expense.