Retirement Benefits (Tables) (Defined Benefit Pension Plans)

6 Months Ended

Jun. 30, 2013

Defined Benefit Pension Plans

Defined Benefit Plans and Other Postretirement Benefit Plans

Net periodic pension expense for U.S and non-U.S. defined benefit pension plans or net periodic postretirement benefit cost

U.S. Pension Plan											Non-U.S. Pension Plans
	Three Months Ended						Six Months Ended						Three Months Ended						Six Months Ended
	June 30,						June 30,						June 30,						June 30,
(in thousands)	2013			2012			2013			2012			2013			2012			2013			2012
Service cost	$	1,614		$	1,490		$	3,227		$	2,979		$	3,814		$	1,931		$	7,696		$	3,894
Interest cost	7,275			8,324			14,550			16,647			7,919			8,184			15,936			16,448
Expected return on assets	(7,744		)	(8,831		)	(15,488		)	(17,662		)	(11,421		)	(10,497		)	(22,980		)	(21,077		)
Amortization of prior service cost	25			(29		)	51			(57		)	—			—			—			—
Recognized net actuarial loss	1,510			3,408			3,020			6,817			1,675			782			3,375			1,566
Net periodic pension expense	$	2,680		$	4,362		$	5,360		$	8,724		$	1,987		$	400		$	4,027		$	831