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PROTON SOLUTIONS LOANS AND INVESTMENTS (Tables)
3 Months Ended
Jan. 01, 2021
Receivables [Abstract]  
Loans and Investments to Fund PT Centers
The following table lists the Company's notes receivable, including accrued interest, senior secured debt, available-for-sale securities, loans outstanding and future commitments for funding the development, construction and operation of various proton therapy centers:
January 1, 2021October 2, 2020
(In millions)Balance Balance
Notes Receivable and Secured Debt: (1)
NYPC loan$35.7 $34.9 
RPTC senior secured debt26.4 25.2 
Proton International LLC loan1.8 1.8 
$63.9 $61.9 
Available-For-Sale Securities: (1)
MPTC Series B-1 Bonds$19.2 $18.9 
MPTC Series B-2 Bonds 21.1 20.6 
APTC securities5.5 5.4 
$45.8 $44.9 
CPTC Loans:
CPTC Loans (2)
$11.8 $11.8 
(1)Included in other assets at January 1, 2021, and October 2, 2020, on the Company's Condensed Consolidated Balance Sheets, except for amounts related to short-term interest receivable.
(2)Included in prepaid and other current assets at January 1, 2021 and October 2, 2020, on the Company's Condensed Consolidated Balance Sheets.