Marketable Securities

9 Months Ended

Jun. 29, 2018

Investments, Debt and Equity Securities [Abstract]

MARKETABLE SECURITIES

2.    MARKETABLE SECURITIES

The Company's portfolio of available for sale marketable securities consists of the following (in millions):

	Current		Noncurrent
Available for sale:	June 29, 2018	September 29, 2017	June 29, 2018	September 29, 2017
U.S. Treasury and government securities	80.5	—	4.3	—
Corporate bonds and notes	121.4	—	30.4	—
Municipal bonds	163.0	—	64.1	—
Other government securities	19.5	—	7.5	—
Total	384.4	—	106.3	—

The contractual maturities of noncurrent available for sale marketable securities were due within two years or less.

The Company recorded unrealized gains and losses on sales of available-for-sale marketable securities as follows (in millions):

June 29, 2018	Amortized Cost	Gross Unrealized Gains	Gross Unrealized Losses		Estimated Fair Value
U.S. Treasury and government securities	84.8	—	—		84.8
Corporate bonds and notes	151.9	—	(0.1	)	151.8
Municipal bonds	227.2	—	(0.1	)	227.1
Other government securities	27.0	—	—		27.0
Total	490.9	—	(0.2	)	490.7

The Company concluded that the unrealized losses were temporary at June 29, 2018. Further, for debt securities with unrealized losses, the Company did not have the intent to sell, nor was it more likely than not that the Company would be required to sell, such securities before recovery or maturity.