Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

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

Components of Pension and Postretirement Health Care Expense

The components of pension and postretirement health care expense are set forth below:

	THREE MONTHS ENDED						SIX MONTHS ENDED
	JUNE 30						JUNE 30
	2013			2012			2013			2012
U.S. Pension and Postretirement Health Care
Service cost	$	18		$	19		$	38		$	39
Interest cost	686			769			1,466			1,646
Expected return on plan assets	(1,087		)	(1,055		)	(2,303		)	(2,235		)
Amortization of actuarial loss	651			773			1,252			1,453
Amortization of prior service credit	(55		)	(156		)	(100		)	(126		)
Total	$	213		$	350		$	353		$	777
Non-U.S. Pension
Service cost	$	—		$	—		$	—		$	—
Interest cost	51			51			101			103
Expected return on plan assets	(71		)	(71		)	(143		)	(142		)
Amortization of actuarial loss	31			33			61			65
Total	$	11		$	13		$	19		$	26