Employee Benefit Plans

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic benefit cost for the Company’s defined benefit and other postretirement plans included the following: 

	Three months ended June 30,						Six months ended June 30,
Components of Net Period Benefit Cost	2014			2013			2014			2013
	(in thousands)
Service cost	$	2,952		$	3,601		$	5,904		$	7,203
Interest cost	6,986			6,299			13,972			12,599
Expected return on plan assets	(4,845		)	(4,065		)	(9,690		)	(8,131		)
Recognized net actuarial loss	225			2,050			450			4,100
Net periodic benefit cost	$	5,318		$	7,885		$	10,636		$	15,771

The Company made contributions of $3.8 million and $6.6 million to its defined benefit and other postretirement plans during the three and six months ended June 30, 2014, respectively. The Company made contributions of $4.0 million and $6.7 million to its defined benefit and other postretirement plans during the three and six months ended June 30, 2013, respectively. The Company expects to make additional minimum required contributions of $7.6 million during the remainder of 2014.