VPT Loans - Schedule of VPT Loans (Details) - USD ($) $ in Millions	Oct. 02, 2015	Sep. 26, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 93.0	$ 75.6
Long-term notes receivable | Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	30.9	10.0
Commitment	95.6	0.0
Long-term notes receivable | NYPC loan | Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	18.7	0.0
Commitment	72.8	0.0
Long-term notes receivable | MPTC loan | Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	12.2	10.0
Commitment	22.8	0.0
Available-for-sale Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	83.9	75.6
Commitment	0.0	4.7
Available-for-sale Securities | CPTC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	83.9	75.6
Commitment	$ 0.0	$ 4.7