XML 27 R15.htm IDEA: XBRL DOCUMENT v3.22.2.2
Marketable Securities (Notes)
 12 Months Ended
Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract]  
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure .    MARKETABLE SECURITIES     
The Company’s portfolio of available-for-sale marketable securities consists of the following (in millions):
CurrentNoncurrent
September 30,
2022		October 1,
2021		September 30,
2022		October 1,
2021
U.S. Treasury and government$13.1 $7.6 $0.5 $6.0 
Corporate bonds and notes0.2 117.0 — — 
Municipal bonds7.0 12.6 — 1.1 
Total marketable securities$20.3 $137.2 $0.5 $7.1 
The contractual maturities of noncurrent available-for-sale marketable securities were within two years or less of issuance of the applicable securities. Neither gross unrealized gains and losses nor realized gains and losses were material as of September 30, 2022, and October 1, 2021, respectively.