Defined Benefit Pension Plans

6 Months Ended

Jun. 30, 2015

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Net periodic benefit cost related to all of the Company's defined benefit pension plans recognized in the Company's unaudited Condensed Consolidated Statements of Income for the three months and six months ended June 30, 2015 and 2014 included the following components:



	Three months ended						Six months ended
(in thousands)	June 30, 2015			June 30, 2014			June 30, 2015			June 30, 2014
Service cost	$	671		$	706		$	1,432		$	1,404
Interest cost	8,045			8,996			16,272			17,914
Expected return on assets	(10,323		)	(11,600		)	(20,824		)	(23,062		)
Amortization of actuarial loss	2,952			2,840			6,264			5,844
Net periodic benefit cost	$	1,345		$	942		$	3,144		$	2,100

For the six-month period ended June 30, 2015, the Company made contributions of $6,000,000 and $3,303,000, to its underfunded U.S. and U.K. defined benefit pension plans, respectively, compared with contributions of $11,950,000 and $3,432,000, respectively, in the comparable period in 2014. The Company is not required to make any additional contributions to its U.S. defined benefit pension plan or to the U.K. plans for the remainder of 2015; however, the Company expects to make additional contributions of approximately $3,000,000 and $3,400,000 to its U.S. and U.K. plans, respectively, during the remainder of 2015.