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Marketable Securities | 6 Months Ended
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Mar. 29, 2019
Investments, Debt and Equity Securities [Abstract] |
MARKETABLE SECURITIES | . MARKETABLE SECURITIES The Company's portfolio of available-for-sale marketable securities consists of the following (in millions):
| Current |  | Noncurrent
Available for sale: | March 29, 2019 |  | September 28, 2018 |  | March 29, 2019 |  | September 28, 2018
U.S. Treasury and government | 27.3 |  |  | 65.0 |  |  | 5.1 |  |  | — |
Corporate bonds and notes | 53.7 |  |  | 204.1 |  |  | 11.9 |  |  | 12.0 |
Municipal bonds | 56.9 |  |  | 2.0 |  |  | 16.9 |  |  | 0.8 |
Other government | 3.2 |  |  | 23.0 |  |  | — |  |  | 10.0 |
Total | 141.1 |  |  | 294.1 |  |  | 33.9 |  |  | 22.8 |
The contractual maturities of noncurrent available-for-sale marketable securities were due within two years or less. There were $0.1 million in unrealized gains on municipal bonds at March 29, 2019, and $0.1 million in unrealized losses on municipal bonds at September 28, 2018.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=4738149 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2289146 + Details
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