Income Taxes (Schedule Of Income Tax Provision (Benefit)) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Expense Benefit [Line Items]
Current, Federal	$ 20,033	$ 13,127	$ 25,122
Current, Foreign	22,542	23,122	13,488
Total current	42,575	36,249	38,610
Deferred, Federal	440	(891)	(3,232)
Deferred, Foreign	(102)	(621)	1,299
Total deferred	338	(1,512)	(1,933)
Total	$ 42,913	$ 34,737	$ 36,677