BALANCE SHEET COMPONENTS (Tables)

9 Months Ended

Jun. 30, 2017

Balance Sheet Components [Abstract]

Available-for-sale Securities:

The following tables summarize the Company's available-for-sale securities:

	June 30, 2017
(In millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale securities:
Original CPTC loans	$	60.5	$	—	$	—	$	60.5
DRTC securities	8.0		—		—		8.0
Total available-for-sale securities	$	68.5	$	—	$	—	$	68.5

	September 30, 2016
(In millions)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale securities:
Original CPTC loans	$	95.3	$	—	$	—	$	95.3
Total available-for-sale securities	$	95.3	$	—	$	—	$	95.3

Inventories:

The following table summarizes the Company's inventories:

(In millions)	June 30, 2017		September 30, 2016
Raw materials and parts	$	297.1	$	257.9
Work-in-process	56.5		69.6
Finished goods	106.6		114.9
Total inventories	$	460.2	$	442.4

Other long-term liabilities:

The following table summarizes the Company's other long-term liabilities:

(In millions)	June 30, 2017		September 30, 2016
Long-term income taxes payable	$	46.1	$	44.5
Deferred income taxes	18.9		24.5
Other	76.6		86.8
Total other long-term liabilities	$	141.6	$	155.8