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Contractual Maturities of Investments Held (Detail) $ in Thousands | Dec. 31, 2016 USD ($)
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Schedule of Available-for-sale Securities |
Due within one year, cost | $ 871,321
Due after 1 year through 5 years, cost | 365,873
Due after 5 years through 10 years, cost | 12,839
Due after 10 years, cost | 38,173
Total, cost | 1,288,206
Due within one year, fair value | 871,024
Due after 1 year through 5 years, fair value | 365,451
Due after 5 years through 10 years, fair value | 12,309
Due after 10 years, fair value | 37,912
Total, fair value | $ 1,286,696

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- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27198-111563 + Details
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