Provision (Benefit) For Current and Deferred Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current
Federal	$ 69,639	$ 15,933	$ 14,057
State	8,660	5,268	8,686
Foreign	126,465	131,596	143,090
Total current income tax expense	204,764	152,797	165,833
Deferred
Federal	(26,489)	49,853	(10,894)
State	520	(2,629)	10,599
Foreign	(10,214)	2,144	(3,576)
Total deferred income tax expense	(36,183)	49,368	(3,871)
Provision for income taxes	$ 168,581	$ 202,165	$ 161,962