Schedule of Fair Value of Financial Assets and Liabilities Measured on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified
|
Jun. 29, 2014
|
Dec. 31, 2013
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
$ 852,516 |
$ 857,960 |
U.S. Treasury Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
404,942 |
467,895 |
U.S. Government Agency Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
228,075 |
202,588 |
Commercial Paper
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
108,459 |
105,598 |
Corporate Debt Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
82,490 |
65,387 |
Equity And Debt Mutual Funds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,441 |
13,156 |
Certificates of Deposit and Time Deposits
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,030 |
3,258 |
Non-U.S. Government Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
79 |
78 |
Fair Value, Measurements, Recurring
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Derivatives assets |
|
153 |
Available for sale securities |
1,107,141 |
|
Total including derivatives |
1,107,141 |
1,199,751 |
Contingent consideration |
2,230 |
2,230 |
Derivatives liabilities |
306 |
|
Liabilities |
2,536 |
2,230 |
Fair Value, Measurements, Recurring | Cash
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Cash and Cash equivalents |
136,730 |
117,242 |
Fair Value, Measurements, Recurring | Cash Equivalents
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Cash and Cash equivalents |
117,895 |
224,396 |
Fair Value, Measurements, Recurring | U.S. Treasury Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
404,942 |
467,895 |
Fair Value, Measurements, Recurring | U.S. Government Agency Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
228,075 |
202,588 |
Fair Value, Measurements, Recurring | Commercial Paper
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
108,459 |
105,598 |
Fair Value, Measurements, Recurring | Corporate Debt Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
82,490 |
65,387 |
Fair Value, Measurements, Recurring | Equity And Debt Mutual Funds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,441 |
13,156 |
Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,030 |
3,258 |
Fair Value, Measurements, Recurring | Non-U.S. Government Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
79 |
78 |
Fair Value, Measurements, Recurring | Subtotal
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
|
1,199,598 |
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
263,323 |
|
Total including derivatives |
263,323 |
296,263 |
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Cash
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Cash and Cash equivalents |
136,730 |
117,242 |
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Cash Equivalents
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Cash and Cash equivalents |
112,152 |
165,865 |
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Equity And Debt Mutual Funds
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,441 |
13,156 |
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Subtotal
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
|
296,263 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Derivatives assets |
|
153 |
Available for sale securities |
843,818 |
|
Total including derivatives |
843,818 |
903,488 |
Derivatives liabilities |
306 |
|
Liabilities |
306 |
|
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Cash Equivalents
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Cash and Cash equivalents |
5,743 |
58,531 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | U.S. Treasury Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
404,942 |
467,895 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | U.S. Government Agency Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
228,075 |
202,588 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Commercial Paper
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
108,459 |
105,598 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Corporate Debt Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
82,490 |
65,387 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
14,030 |
3,258 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Non-U.S. Government Securities
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
79 |
78 |
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Subtotal
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Available for sale securities |
|
903,335 |
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
|
|
Contingent consideration |
2,230 |
2,230 |
Liabilities |
$ 2,230 |
$ 2,230 |