Pension (Net Pension Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Pension Plans and SERP
Defined Benefit Plan Disclosure [Line Items]
Service cost (benefits earned during the period)	$ 5,928	$ 7,601	$ 7,706
Interest cost on projected benefit obligation	20,944	19,074	20,352
Expected return on plan assets	(24,834)	(24,369)	(20,896)
Amortization of unrecognized:
Prior service cost	1,223	1,336	2,209
Actuarial loss	5,069	9,523	6,962
Transition obligations	60	84	102
Settlement charge	774	2,252	4,131
Curtailment charge	0	0	375
Pension expense	9,164	15,501	20,941
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost (benefits earned during the period)	3,664	4,739	5,957
Interest cost on projected benefit obligation	15,378	14,093	15,398
Expected return on plan assets	(22,387)	(22,374)	(18,514)
Amortization of unrecognized:
Prior service cost	1,059	1,172	2,050
Actuarial loss	4,057	8,604	6,429
Transition obligations	0	0	0
Settlement charge	483	1,805	3,931
Curtailment charge	0	0	375
Pension expense	2,254	8,039	15,626
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost (benefits earned during the period)	2,264	2,862	1,749
Interest cost on projected benefit obligation	5,566	4,981	4,954
Expected return on plan assets	(2,447)	(1,995)	(2,382)
Amortization of unrecognized:
Prior service cost	164	164	159
Actuarial loss	1,012	919	533
Transition obligations	60	84	102
Settlement charge	291	447	200
Curtailment charge	0	0	0
Pension expense	$ 6,910	$ 7,462	$ 5,315