Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Components Of Income (Loss) Before Income Taxes

	Year Ended December 31,
	2011		2010		2009
United States	$	78,593		$72,298	$	43,486
Outside United States		101,126		77,309		28,833
Total	$	179,719		$149,607	$	72,319

Components Of Provision For Income Taxes

	Year Ended December 31,
	2011			2010			2009
Current:
Federal	$	7,250		$	25,795		$	3,404
State		1,191			3,108			1,569
Foreign		28,175			17,157			6,066
Total current		36,616			46,060			11,039
Deferred:
Federal		12,477			(3,591	)		10,504
State		405			2,524			509
Foreign		(122	)		0			1,776
Total deferred		12,760			(1,067)			12,789
Total	$	49,376		$	44,993		$	23,828

Reconciliation Of Statutory And Effective Income Taxes

	Year Ended December 31,
	2011		2010		2009
Provision computed at statutory rate	$	62,905	$	51,714	$	25,017
State income tax, net of Federal tax benefit		1,432		1,884		1,275
Tax-exempt interest income		(334)		(554)		(1,048)
Acquisition related items		0		(315)		0
Domestic manufacturing deduction		(212)		(70)		(700)
Research and experimental credit		(508)		(713)		(445)
Foreign rate differential		(13,899)		(8,134)		(2,971)
Other		(8)		1,181		2,700
Provision for income taxes	$	49,376	$	44,993	$	23,828

Components Of Deferred Tax Assets And Liabilities

		$00000000			$00000000
	As of December 31,
	2011			2010
Deferred tax assets:
Deferred rent	$	623		$	804
Accrued vacation		1,926			1,492
Accrued bonus		4,342			5,601
Deferred compensation		1,451			1,459
Inventory items		7,072			4,962
Allowance for doubtful accounts and other receivables		355			241
Other accruals		7,355			6,796
Equity based compensation expense		16,124			16,463
Unrealized gain on securities		288			76
Unrealized loss on other investments		0			570
Net operating loss carry-forwards		4,511			8,065
Valuation allowance		(267	)		(267)
Total deferred tax assets		43,780			46,262
Deferred tax liabilities:
Unrealized loss on other investments		(931	)		0
Unrealized loss on securities		0			(42)
Depreciation and amortization		(17,052	)		(9,296)
Total deferred tax liabilities		(17,983	)		(9,338)
Net deferred tax assets	$	25,797		$	36,924

Summary Of Deferred Tax Asset Valuation Allowances

		$0000000000		$0000000000		$0000000000
	Year Ended December 31,
Valuation allowance	2011		2010		2009
Balance at the beginning of the year	$	267	$	0	$	0
Additions		0		267		0
Subtractions		0		0		0
Balance at the end of the period	$	267	$	267	$	0