Marketable Securities Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |
---|---|---|---|
Apr. 01, 2017 |
Dec. 26, 2015 |
Apr. 01, 2017 |
|
Schedule of Available-for-sale Securities [Line Items] | |||
Marketable Securities | $ 82.9 | $ 82.9 | |
Municipal Investment Agreements | 5.2 | 5.2 | |
Gain (Loss) on Investments | 3.8 | $ 25.1 | $ 0.2 |
Equity securities | |||
Schedule of Available-for-sale Securities [Line Items] | |||
Marketable Securities, Unrealized Gain (Loss) | $ 4.0 |
X | ||||||||||
- Definition This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Carrying value as of the balance sheet date of the obligations arising from contracts specifying rights and responsibilities of a host municipality in the structure or operation of an investment project. For example, proceeds from a revenue bond may be invested temporarily in contracts until disbursements are required for construction of a major project. There is little or no insurance risk for the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Details
|