Pension Plans (Net Periodic Expense For Defined Benefit Plans) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
U.S. Pension Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 2,619	$ 2,829	$ 8,015	$ 7,630
Service cost	209	263	744	699
Amortization of unrecognized net loss	98	104	293	272
Expected return on plan assets	(2,740)	(2,587)	(7,888)	(6,948)
Total expense	186	609	1,164	1,653
VAC Holding Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1,323		1,323
Service cost	725		725
Total expense	$ 2,048		$ 2,048