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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2011

Stockholders' Equity (Tables) [Abstract]

Changes in stockholders’ equity for the six months ended June 30, 2011 were as follows (in thousands):


Balance at December 31, 2010	$	823,379
Net income		45,621
Other comprehensive income (loss), net		(8,149	)
Proceeds from the issuance of common stock and ESPP		40,727
Issuance of common stock to board members		178
Repurchase and retirement of common stock		(47,972	)
Repurchase and retirement of restricted stock for payment of taxes		(363	)
Stock-based compensation		12,688
Stock-based compensation income tax benefits		3,708

Balance at June 30, 2011	$	869,817

Components of Comprehensive income


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Net income, as reported	$	22,344		$	28,110		$	45,621		$	52,303

Other comprehensive income (loss):
Foreign currency translation adjustment		845			(1,497	)		3,173			(4,350	)
Change in net unrealized gain on available-for-sale securities during the period		(6,767	)		(1,004	)		(10,180	)		(3,653	)
Reclassification adjustments:
Realized gain on available-for-sale securities, net of tax		(1,372	)		1,206			(1,142	)		2,654

Total other comprehensive income (loss), net		(7,294	)		(1,295	)		(8,149	)		(5,349	)

Comprehensive income	$	15,050		$	26,815		$	37,472		$	46,954

Stock Options

A summary of the Company’s stock option activity for all equity incentive plans for the six month period ended June 30, 2011 is as follows (in thousands, except per share data and number of years):


						Weighted
				Weighted		Average
				Average		Remaining		Aggregate
	Number			Exercise		Contractual		Intrinsic
	of Shares			Price		Life (Years)		Value
Outstanding at December 31, 2010		5,700		$	46.56
Granted		1,003			65.38
Exercised		(873	)		43.83
Cancelled		(38	)		49.13

Outstanding at June 30, 2011		5,792		$	50.21		4.4	$	111,156

Exercisable at June 30, 2011		3,542		$	47.65		3.5	$	76,209

Restricted Stock and Deferred Issuance Restricted Stock



				Weighted
				Average
	Number of			Grant Date
	Shares			Fair Value
Unvested at December 31, 2010		121		$	54.41
Granted		6			72.10
Vested and exercised		(13	)		55.09
Cancelled		—			—

Unvested at June 30, 2011		114		$	55.25

Performance Stock Awards



				Maximum			Weighted
				Shares			Average
	Number of			Eligible to			Grant Date
	Shares			Receive			Fair Value
Unvested at December 31, 2010		65			97		$	42.66
Awarded		91			182			82.58
Issued		(12	)		(12	)		42.66
Cancelled		(28	)		(60	)		42.66

Unvested at June 30, 2011		116			207		$	74.04

- Definition

This label may include the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans.

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