Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details)

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Marketable Securities (Details) (USD $)
3 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Sep. 30, 2012
Marketable Securities
Amortized Cost $ 2,751,885,000 $ 2,750,942,000
Gross Unrealized Gains 4,619,000 3,071,000
Gross Unrealized Losses (1,646,000) (4,002,000)
Fair Value 2,754,858,000 2,750,011,000
Add: Time deposits 20,713,000 [1] 43,413,000 [1]
Less: Cash Equivalents, Amortized Cost 728,645,000 859,933,000
Cash Equivalents, Gross Unrealized Gains 0 0
Cash Equivalents, Gross Unrealized Losses 0 0
Less: Cash Equivalents, Fair Value 728,645,000 859,933,000
Marketable Securities, Gross Unrealized Gains 4,619,000 3,071,000
Marketable Securities, Gross Unrealized Losses (1,646,000) (4,002,000)
Contractual Maturities of Securities [Abstract]
Due within one year, Amortized Cost 478,400,000
Due after one year through three years, Amortized Cost 1,565,553,000
Marketable Securities, Amortized Cost 2,043,953,000 1,934,422,000
Due within one year, Fair Value 480,079,000
通过三年一年以后,由于公允价值 1,566,847,000
Marketable Securities, Fair Value 2,046,926,000 1,933,491,000
Available-for-sale Securities, Gross Realized Gains 300,000 300,000
U.S. Treasury securities
Marketable Securities
Amortized Cost 147,198,000 93,940,000
Gross Unrealized Gains 100,000 53,000
Gross Unrealized Losses (62,000) (206,000)
Fair Value 147,236,000 93,787,000
U.S. Government agency securities
Marketable Securities
Amortized Cost 684,400,000 598,471,000
Gross Unrealized Gains 754,000 569,000
Gross Unrealized Losses (405,000) (1,009,000)
Fair Value 684,749,000 598,031,000
Municipal securities
Marketable Securities
Amortized Cost 104,743,000 103,686,000
Gross Unrealized Gains 60,000 71,000
Gross Unrealized Losses (270,000) (302,000)
Fair Value 104,533,000 103,455,000
Corporate debt securities
Marketable Securities
Amortized Cost 1,095,912,000 1,103,438,000
Gross Unrealized Gains 2,919,000 2,353,000
Gross Unrealized Losses (895,000) (2,466,000)
Fair Value 1,097,936,000 1,103,325,000
Money market and other
Marketable Securities
Amortized Cost 685,074,000 817,608,000
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 685,074,000 817,608,000
Sovereign securities
Marketable Securities
Amortized Cost 33,198,000 33,799,000
Gross Unrealized Gains 18,000 25,000
Gross Unrealized Losses (14,000) (19,000)
Fair Value 33,202,000 33,805,000
Equity securities
Marketable Securities
Amortized Cost 1,360,000
Gross Unrealized Gains 768,000
Gross Unrealized Losses 0
Fair Value $ 2,128,000
[1] Time deposits excluded from fair value measurements.
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