FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENT (Tables)

12 Months Ended

Sep. 30, 2014

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENT

Summary of available-for-sale securities

	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(in thousands)
Equity Securities:
September 30, 2014	$	64,462	$	157,838	$	—	$	222,300
September 30, 2013	$	68,434	$	237,214	$	—	$	305,648

Summary of assets measured at fair value on a recurring basis

        The following table summarizes our assets measured at fair value on a recurring basis presented in our Consolidated Balance Sheets as of September 30, 2014:

	Total Measured at Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Assets:
Cash and cash equivalents	$	360,909	$	360,909	$	—	$	—
Investments		222,300		222,300		—		—
Other current assets		35,450		35,200		250		—
Other assets		2,000		2,000		—		—
Total assets measured at fair value	$	620,659	$	620,409	$	250	$	—

Summary of supplemental fair value information about long-term fixed-rate debt

	September 30,
	2014		2013
	(in millions)
Carrying value of long-term fixed-rate debt	$	80.0	$	195.0
Fair value of long-term fixed-rate debt	$	84.3	$	205.4