Defined Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Defined Benefit Pension Plans

Defined benefit plans disclosure

Schedule of components of net periodic benefit cost and assumptions used to determine net periodic benefit cost

	United Kingdom Plans						German Plan
	Three Months Ended June 30						Three Months Ended June 30
	2014			2013			2014		2013
Components of Net Periodic Pension Cost:
Service cost	$	580		$	458		$	203	$	192
Interest cost	2,373			1,951			174		151
Expected return on plan assets	(3,369		)	(2,484		)	—		—
Amortization of net actuarial loss	373			153			62		56
Net periodic pension (income) cost	$	(43	)	$	78		$	439	$	399

	United Kingdom Plans						German Plan
	Six Months Ended June 30						Six Months Ended June 30
	2014			2013			2014		2013
Components of Net Periodic Pension Cost:
Service cost	$	1,150		$	922		$	406	$	386
Interest cost	4,708			3,931			348		304
Expected return on plan assets	(6,684		)	(5,005		)	—		—
Amortization of net actuarial loss	740			309			124		113
Net periodic pension (income) cost	$	(86	)	$	157		$	878	$	803
Assumptions Used to Determine Net Periodic Pension Cost:
Discount rate	4.60%			4.60%			3.50%		3.50%
Expected rate of return on assets	6.15%			5.30%			n/a		n/a
Salary increases	4.00%			3.60%			2.00%		2.00%

Supplemental Executive Retirement Plan

Defined benefit plans disclosure

Schedule of components of net periodic benefit cost and assumptions used to determine net periodic benefit cost

	Three Months Ended June 30						Six Months Ended June 30
	2014			2013			2014			2013
Components of Net Periodic Pension Cost:
Service cost	$	402		$	377		$	804		$	754
Interest cost	248			181			496			362
Amortization of prior service credit	(30		)	(30		)	(60		)	(60		)
Amortization of net actuarial loss	148			142			296			284
Net periodic pension cost	$	768		$	670		$	1,536		$	1,340
Assumptions Used to Determine Net Periodic Pension Cost:
Discount rate	3.90%			3.20%			3.90%			3.20%
Salary increases	3.25%			3.25%			3.25%			3.25%

Post-Employment Retiree Health and Welfare Plan

Defined benefit plans disclosure

Schedule of components of net periodic benefit cost and assumptions used to determine net periodic benefit cost

	Three Months Ended June 30				Six Months Ended June 30
	2014		2013		2014		2013
Components of Net Periodic Post-retirement Benefit Cost:
Service cost	$	11	$	18	$	22	$	36
Interest cost	63		59		125		119
Net periodic post-retirement benefit cost	$	74	$	77	$	147	$	155
Assumptions Used to Determine Net Periodic Post-retirement Benefit Cost:
Discount rate	4.40%		3.60%		4.40%		3.60%
Health care cost trend rate	7.00%(a)		7.50%		7.00%(a)		7.50%

(a) decreasing to ultimate trend of 5.00% in 2018