FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENT (Tables)

12 Months Ended

Sep. 30, 2013

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, 2013	$	68,434	$	237,214	$	—	$	305,648
September 30, 2012	$	129,183	$	304,396	$	—	$	433,579

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, 2013:

	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	$	447,868	$	447,868	$	—	$	—
Investments		305,648		305,648		—		—
Other current assets		27,396		27,146		250		—
Other assets		2,000		2,000		—		—
Total assets measured at fair value	$	782,912	$	782,662	$	250	$	—

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

	September 30,
	2013		2012
	(in millions)
Carrying value of long-term fixed-rate debt	$	195.0	$	235.0
Fair value of long-term fixed-rate debt	$	205.4	$	252.7