Schedule of Reported Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Oct. 04, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 781,610	$ 1,000,625
Available-for-sale marketable securities, Unrealized Gain	3,252	4,818
Available-for-sale marketable securities, Unrealized (Loss)	(1,921)	(867)
Available-for-sale marketable securities, Fair Market Value	782,941	1,004,576
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	73,034	583,076
Marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	525,052	533,833
Available-for-sale marketable securities, Unrealized Gain	335	99
Available-for-sale marketable securities, Unrealized (Loss)	(6)	(145)
Available-for-sale marketable securities, Fair Market Value	525,381	533,787
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	27,172	240,234
Long-term marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	256,558	466,792
Available-for-sale marketable securities, Unrealized Gain	2,917	4,719
Available-for-sale marketable securities, Unrealized (Loss)	(1,915)	(722)
Available-for-sale marketable securities, Fair Market Value	257,560	470,789
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	$ 45,862	$ 342,842

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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