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Fair Value of Financial Instruments (Tables) | 6 Months Ended
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Sep. 27, 2014
Fair Value of Financial Instruments [Abstract] |
Schedule of Fair Value of Financial Assets and Liabilities |
| Quoted Prices |  |  |  |  |  |
| in Active |  | Significant |  |  |  |
| Markets for |  | Other |  | Significant |  |
| Identical |  | Observable |  | Unobservable |  |
| Assets |  | Inputs |  | Inputs |  |
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 17,577 |  | $ | - |  | $ | - |  | $ | 17,577
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | $ | - |  | $ | 78,538 |  | $ | - |  | $ | 78,538
Commercial paper |  | - |  |  | 16,486 |  |  | - |  |  | 16,486
| $ | - |  | $ | 95,024 |  | $ | - |  | $ | 95,024
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Other accrued liabilities |  |  |  |  |  |  |  |  |  |  |
Foreign exchange derivative | $ | - |  | $ | 29 |  | $ | - |  | $ | 29
The fair value of our financial assets at March 29, 2014, was determined using the following inputs (in thousands):
| Quoted Prices |  |  |  |  |  |
| in Active |  | Significant |  |  |  |
| Markets for |  | Other |  | Significant |  |
| Identical |  | Observable |  | Unobservable |  |
| Assets |  | Inputs |  | Inputs |  |
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 20,456 |  | $ | - |  | $ | - |  | $ | 20,456
Commercial paper |  | - |  |  | 1,878 |  |  | - |  |  | 1,878
| $ | 20,456 |  | $ | 1,878 |  | $ | - |  | $ | 22,334
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | $ | - |  | $ | 246,685 |  | $ | - |  | $ | 246,685
U.S. Treasury securities |  | 56,994 |  |  | - |  |  | - |  |  | 56,994
Agency discount notes |  | - |  |  | 2,009 |  |  | - |  |  | 2,009
Commercial paper |  | - |  |  | 41,970 |  |  | - |  |  | 41,970
Certificates of deposit |  | - |  |  | 5,002 |  |  | - |  |  | 5,002
| $ | 56,994 |  | $ | 295,666 |  | $ | - |  | $ | 352,660

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 + Details
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